diff --git a/devenv.nix b/devenv.nix
index 2c0033990..8224e2a8e 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -31,6 +31,12 @@
   devcontainer.settings.customizations.vscode.extensions = [ "jnoortheen.nix-ide" ];
   difftastic.enable = true;
 
+  #enable just.
+  just = {
+    enable = true;
+    recipes.convco.enable = true;
+  };
+
   dotenv.enable = true;
 
   processes = {
@@ -40,6 +46,7 @@
 
   scripts.devenv-test-cli = {
     description = "Test devenv CLI.";
+    just.enable = true;
     exec = ''
       set -xe
       set -o pipefail
@@ -97,6 +104,7 @@
   };
   scripts."devenv-generate-doc-options" = {
     description = "Generate option docs.";
+    just.enable = true;
     exec = ''
       set -e
       output_file=docs/reference/options.md
@@ -110,6 +118,7 @@
   };
   scripts."devenv-generate-languages-example" = {
     description = "Generate an example enabling every supported language.";
+    just.enable = true;
     exec = ''
       cat > examples/supported-languages/devenv.nix <<EOF
       { pkgs, ... }: {
@@ -124,6 +133,7 @@
   };
   scripts."devenv-generate-docs" = {
     description = "Generate lists of all languages and services.";
+    just.enable = true;
     exec = ''
       cat > docs/services-all.md <<EOF
         \`\`\`nix
@@ -152,7 +162,7 @@
       MD034 = false;
     };
     generate-css = {
-      enable = true;
+      enable = false;
       name = "generate-css";
       entry = "${lib.getExe pkgs.tailwindcss} build docs/assets/extra.css -o docs/assets/output.css";
     };
diff --git a/devenv/init/justfile b/devenv/init/justfile
new file mode 100644
index 000000000..434376193
--- /dev/null
+++ b/devenv/init/justfile
@@ -0,0 +1,5 @@
+import 'just-flake.just'
+
+# Display the list of recipes
+default:
+    @just --list
diff --git a/devenv/src/cli.rs b/devenv/src/cli.rs
index ae1a7e8b5..5816deefd 100644
--- a/devenv/src/cli.rs
+++ b/devenv/src/cli.rs
@@ -107,7 +107,7 @@ impl Default for GlobalOptions {
 
 #[derive(Subcommand, Clone)]
 pub(crate) enum Commands {
-    #[command(about = "Scaffold devenv.yaml, devenv.nix, .gitignore and .envrc.")]
+    #[command(about = "Scaffold devenv.yaml, devenv.nix, .gitignore .envrc and justfile.")]
     Init {
         target: Option<PathBuf>,
     },
diff --git a/devenv/src/devenv.rs b/devenv/src/devenv.rs
index 12a0da387..0372226d5 100644
--- a/devenv/src/devenv.rs
+++ b/devenv/src/devenv.rs
@@ -19,7 +19,13 @@ use std::{
 
 // templates
 const FLAKE_TMPL: &str = include_str!("flake.tmpl.nix");
-const REQUIRED_FILES: [&str; 4] = ["devenv.nix", "devenv.yaml", ".envrc", ".gitignore"];
+const REQUIRED_FILES: [&str; 5] = [
+    "devenv.nix",
+    "devenv.yaml",
+    ".envrc",
+    ".gitignore",
+    "justfile",
+];
 const EXISTING_REQUIRED_FILES: [&str; 1] = [".gitignore"];
 const PROJECT_DIR: Dir = include_dir!("$CARGO_MANIFEST_DIR/init");
 // project vars
diff --git a/docs/reference/options.md b/docs/reference/options.md
index 6add637f4..996d4b7dd 100644
--- a/docs/reference/options.md
+++ b/docs/reference/options.md
@@ -1694,6 +1694,738 @@ attribute set of list of string
 
 
 
+## just.enable
+
+
+
+Whether to enable the just command runner.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just)
+
+
+
+## just.package
+
+
+
+The just package to use.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+` pkgs.just `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just)
+
+
+
+## just.commonFileName
+
+
+
+The name of the common justfile generated by this module.
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+` "just-flake.just" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just)
+
+
+
+## just.recipes
+
+
+
+This option has no description.
+
+
+
+*Type:*
+attribute set of (submodule)
+
+
+
+*Default:*
+` { } `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/rust.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/rust.nix)
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix)
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/devenv-up.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/devenv-up.nix)
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/devenv-script.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/devenv-script.nix)
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/convco.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/convco.nix)
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just)
+
+
+
+## just.recipes.\<name>.enable
+
+
+
+Whether to enable this recipe.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.\<name>.package
+
+
+
+An optional package that provides the recipe.
+
+
+
+*Type:*
+null or package
+
+
+
+*Default:*
+` null `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.\<name>.justfile
+
+
+
+The justfile representing this recipe.
+
+
+
+*Type:*
+string or path
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.\<name>.outputs.justfile
+
+
+
+The justfile code for importing this recipe’s justfile.
+
+See https://just.systems/man/en/chapter_53.html
+
+
+
+*Type:*
+string *(read only)*
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.convco
+
+
+
+Add the ‘changelog’ target calling convco
+
+
+
+*Type:*
+submodule
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/convco.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/convco.nix)
+
+
+
+## just.recipes.convco.enable
+
+
+
+Whether to enable this recipe.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.convco.package
+
+
+
+An optional package that provides the recipe.
+
+
+
+*Type:*
+null or package
+
+
+
+*Default:*
+` null `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.convco.justfile
+
+
+
+The justfile representing this recipe.
+
+
+
+*Type:*
+string or path
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.convco.outputs.justfile
+
+
+
+The justfile code for importing this recipe’s justfile.
+
+See https://just.systems/man/en/chapter_53.html
+
+
+
+*Type:*
+string *(read only)*
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.convco.settings.file-name
+
+
+
+The name of the file to output the chaneglog to.
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+` "CHANGELOG.md" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/convco.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/convco.nix)
+
+
+
+## just.recipes.git-cliff
+
+
+
+Add the ‘changelog’ target calling convco
+
+
+
+*Type:*
+submodule
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix)
+
+
+
+## just.recipes.git-cliff.enable
+
+
+
+Whether to enable this recipe.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.git-cliff.package
+
+
+
+An optional package that provides the recipe.
+
+
+
+*Type:*
+null or package
+
+
+
+*Default:*
+` null `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.git-cliff.justfile
+
+
+
+The justfile representing this recipe.
+
+
+
+*Type:*
+string or path
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.git-cliff.outputs.justfile
+
+
+
+The justfile code for importing this recipe’s justfile.
+
+See https://just.systems/man/en/chapter_53.html
+
+
+
+*Type:*
+string *(read only)*
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.git-cliff.settings.config-file
+
+
+
+The git-cliff config to use.
+
+See https://git-cliff.org/docs/configuration/
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+
+```
+''
+  [changelog]
+  header = """
+  # Changelog\n
+  All notable changes to this project will be documented in this file.\n
+  """
+  body = """
+  {% if version %}\
+      ## [{{ version | trim_start_matches(pat="v") }}] - {{ timestamp | date(format="%Y-%m-%d") }}
+  {% else %}\
+      ## [unreleased]
+  {% endif %}\
+  {% for group, commits in commits | group_by(attribute="group") %}
+      ### {{ group | striptags | trim | upper_first }}
+      {% for commit in commits %}
+          - {% if commit.scope %}*({{ commit.scope }})* {% endif %}\
+              {% if commit.breaking %}[**breaking**] {% endif %}\
+              {{ commit.message | upper_first }}\
+      {% endfor %}
+  {% endfor %}\n
+  """
+  # template for the changelog footer
+  footer = """
+  <!-- generated by git-cliff -->
+  """
+  # remove the leading and trailing s
+  trim = true
+  
+  [git]
+  conventional_commits = true
+  filter_unconventional = true
+  split_commits = false
+  commit_parsers = [
+    { message = "^feat", group = "<!-- 0 -->🚀 Features" },
+    { message = "^fix", group = "<!-- 1 -->🐛 Bug Fixes" },
+    { message = "^doc", group = "<!-- 3 -->📚 Documentation" },
+    { message = "^perf", group = "<!-- 4 -->⚡ Performance" },
+    { message = "^refactor", group = "<!-- 2 -->🚜 Refactor" },
+    { message = "^style", group = "<!-- 5 -->🎨 Styling" },
+    { message = "^test", group = "<!-- 6 -->🧪 Testing" },
+    { message = "^chore\\(release\\): prepare for", skip = true },
+    { message = "^chore\\(deps.*\\)", skip = true },
+    { message = "^chore\\(pr\\)", skip = true },
+    { message = "^chore\\(pull\\)", skip = true },
+    { message = "^chore|^ci", group = "<!-- 7 -->⚙️ Miscellaneous Tasks" },
+    { body = ".*security", group = "<!-- 8 -->🛡️ Security" },
+    { message = "^revert", group = "<!-- 9 -->◀️ Revert" },
+  ]
+  protect_breaking_commits = false
+  filter_commits = false
+  topo_order = false
+  sort_commits = "oldest"
+''
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix)
+
+
+
+## just.recipes.git-cliff.settings.file-name
+
+
+
+The name of the file to output the chaneglog to.
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+` "CHANGELOG.md" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix)
+
+
+
+## just.recipes.git-cliff.settings.integrations.github.enable
+
+
+
+Whether to enable Enable the GitHub integration. See https://git-cliff.org/docs/integration/github.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/git-cliff.nix)
+
+
+
+## just.recipes.rust
+
+
+
+Add ‘w’ and ‘test’ targets for running cargo
+
+
+
+*Type:*
+submodule
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/rust.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/rust.nix)
+
+
+
+## just.recipes.rust.enable
+
+
+
+Whether to enable this recipe.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.rust.package
+
+
+
+An optional package that provides the recipe.
+
+
+
+*Type:*
+null or package
+
+
+
+*Default:*
+` null `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.rust.justfile
+
+
+
+The justfile representing this recipe.
+
+
+
+*Type:*
+string or path
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.rust.outputs.justfile
+
+
+
+The justfile code for importing this recipe’s justfile.
+
+See https://just.systems/man/en/chapter_53.html
+
+
+
+*Type:*
+string *(read only)*
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.up
+
+Starts processes in foreground. See http://devenv.sh/processes
+
+
+
+*Type:*
+submodule
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/devenv-up.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipes/devenv-up.nix)
+
+
+
+## just.recipes.up.enable
+
+
+
+Whether to enable this recipe.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.up.package
+
+
+
+An optional package that provides the recipe.
+
+
+
+*Type:*
+null or package
+
+
+
+*Default:*
+` null `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.up.justfile
+
+
+
+The justfile representing this recipe.
+
+
+
+*Type:*
+string or path
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
+## just.recipes.up.outputs.justfile
+
+
+
+The justfile code for importing this recipe’s justfile.
+
+See https://just.systems/man/en/chapter_53.html
+
+
+
+*Type:*
+string *(read only)*
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix](https://github.com/cachix/devenv/blob/main/src/modules/integrations/just/recipe-module.nix)
+
+
+
 ## languages.ansible.enable
 
 
@@ -2370,6 +3102,8 @@ package
 
 ## languages.haskell.languageServer
 
+
+
 Haskell language server to use.
 
 
@@ -4051,8 +4785,6 @@ boolean
 
 ## languages.purescript.package
 
-
-
 The PureScript package to use.
 
 
@@ -4791,6 +5523,8 @@ boolean
 
 ## languages.robotframework.python
 
+
+
 The Python package to use.
 
 
@@ -6931,8 +7665,6 @@ list of string
 
 ## pre-commit.hooks.\<name>.types_or
 
-
-
 List of file types to run on, where only a single type needs to match.
 
 
@@ -7639,6 +8371,8 @@ list of package
 
 ## pre-commit.hooks.ansible-lint.fail_fast
 
+
+
 if true pre-commit will stop running hooks if this hook fails.
 
 
@@ -8849,8 +9583,6 @@ package
 
 ## pre-commit.hooks.clippy.packageOverrides.clippy
 
-
-
 The clippy package to use
 
 
@@ -11160,8 +11892,6 @@ boolean
 
 ## pre-commit.hooks.denolint.description
 
-
-
 Description of the hook. Used for metadata purposes only.
 
 
@@ -13198,8 +13928,6 @@ boolean
 
 ## pre-commit.hooks.flake8.settings.binPath
 
-
-
 flake8 binary path. Should be used to specify flake8 binary from your Nix-managed Python environment.
 
 
@@ -15254,8 +15982,6 @@ submodule
 
 ## pre-commit.hooks.isort.enable
 
-
-
 Whether to enable this pre-commit hook.
 
 
@@ -17418,8 +18144,6 @@ null or package
 
 ## pre-commit.hooks.markdownlint.always_run
 
-
-
 if true this hook will run even if there are no matching files.
 
 
@@ -19484,8 +20208,6 @@ string
 
 ## pre-commit.hooks.nixfmt.excludes
 
-
-
 Exclude files that were matched by these patterns.
 
 
@@ -21540,8 +22262,6 @@ submodule
 
 ## pre-commit.hooks.phpcs.enable
 
-
-
 Whether to enable this pre-commit hook.
 
 
@@ -23705,8 +24425,6 @@ list of string
 
 ## pre-commit.hooks.psalm.extraPackages
 
-
-
 Additional packages required to run the hook.
 
 These are propagated to ` enabledPackages ` for constructing developer
@@ -25806,8 +26524,6 @@ string
 
 ## pre-commit.hooks.ripsecrets.entry
 
-
-
 The entry point - the executable to run. ` entry ` can also contain arguments that will not be overridden, such as ` entry = "autopep8 -i"; `.
 
 
@@ -27878,8 +28594,6 @@ list of string
 
 ## pre-commit.hooks.statix.verbose
 
-
-
 forces the output of the hook to be printed even when the hook passes.
 
 
@@ -30037,8 +30751,6 @@ boolean
 
 ## pre-commit.hooks.yamllint.stages
 
-
-
 Confines the hook to run at a particular stage.
 
 
@@ -30778,6 +31490,27 @@ string
 
 
 
+## scripts.\<name>.just.enable
+
+
+
+Include this script in just runner.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/scripts.nix](https://github.com/cachix/devenv/blob/main/src/modules/scripts.nix)
+
+
+
 ## services.adminer.enable
 
 
@@ -31199,7 +31932,7 @@ path
 
 
 *Default:*
-` "/home/runner/work/devenv/devenv/.devenv/state/caddy" `
+` "/home/sincore/source/devenv/.devenv/state/caddy" `
 
 *Declared by:*
  - [https://github.com/cachix/devenv/blob/main/src/modules/services/caddy.nix](https://github.com/cachix/devenv/blob/main/src/modules/services/caddy.nix)
@@ -32440,8 +33173,6 @@ boolean
 
 ## services.httpbin.bind
 
-
-
 Addresses for httpbin to listen on.
 
 
@@ -35781,16 +36512,16 @@ unspecified value *(read only)*
 ```
 {
   bindir = "/nix/store/p4vjvd38l79jsxzxlv9q2hbajm7g2js9-trafficserver-9.2.3/bin";
-  cachedir = "/home/runner/work/devenv/devenv/.devenv/state/trafficserver/cache";
-  datadir = "/home/runner/work/devenv/devenv/.devenv/state/trafficserver/share";
-  exec_prefix = "/home/runner/work/devenv/devenv/.devenv/state/trafficserver";
+  cachedir = "/home/sincore/source/devenv/.devenv/state/trafficserver/cache";
+  datadir = "/home/sincore/source/devenv/.devenv/state/trafficserver/share";
+  exec_prefix = "/home/sincore/source/devenv/.devenv/state/trafficserver";
   includedir = "/nix/store/p4vjvd38l79jsxzxlv9q2hbajm7g2js9-trafficserver-9.2.3/include";
   libdir = "/nix/store/p4vjvd38l79jsxzxlv9q2hbajm7g2js9-trafficserver-9.2.3/lib";
   libexecdir = "/nix/store/p4vjvd38l79jsxzxlv9q2hbajm7g2js9-trafficserver-9.2.3/libexec";
-  localstatedir = "/home/runner/work/devenv/devenv/.devenv/state/trafficserver/state";
-  logdir = "/home/runner/work/devenv/devenv/.devenv/state/trafficserver/log";
-  prefix = "/home/runner/work/devenv/devenv/.devenv/state/trafficserver";
-  runtimedir = "/run/user/1001/devenv-0957646/trafficserver";
+  localstatedir = "/home/sincore/source/devenv/.devenv/state/trafficserver/state";
+  logdir = "/home/sincore/source/devenv/.devenv/state/trafficserver/log";
+  prefix = "/home/sincore/source/devenv/.devenv/state/trafficserver";
+  runtimedir = "/run/user/1000/devenv-cdc0ceb/trafficserver";
   sbindir = "/nix/store/p4vjvd38l79jsxzxlv9q2hbajm7g2js9-trafficserver-9.2.3/bin";
   sysconfdir = <derivation trafficserver-config>;
 }
@@ -35922,7 +36653,7 @@ strings concatenated with “\\n”
 
 
 *Default:*
-` "/home/runner/work/devenv/devenv/.devenv/state/trafficserver/cache 256M" `
+` "/home/sincore/source/devenv/.devenv/state/trafficserver/cache 256M" `
 
 
 
diff --git a/justfile b/justfile
new file mode 100644
index 000000000..434376193
--- /dev/null
+++ b/justfile
@@ -0,0 +1,5 @@
+import 'just-flake.just'
+
+# Display the list of recipes
+default:
+    @just --list
diff --git a/src/modules/integrations/just/default.nix b/src/modules/integrations/just/default.nix
new file mode 100644
index 000000000..d86976eaf
--- /dev/null
+++ b/src/modules/integrations/just/default.nix
@@ -0,0 +1,76 @@
+# This largely inspired by the use of freeformType in
+# https://github.com/cachix/git-hooks.nix/blob/master/modules/hooks.nix
+# as well as https://github.com/juspay/just-flake/tree/main
+{ pkgs, lib, config, ... }:
+
+let
+  inherit (lib) types mkOption mkEnableOption attrsets;
+  inherit (import ./utils.nix { inherit lib pkgs; }) recipeModule recipeType;
+
+  version = lib.fileContents ./../../latest-version;
+
+  # Returns a list of all the entries in a folder
+  listEntries = path:
+    map (name: path + "/${name}") (builtins.attrNames (builtins.readDir path));
+
+
+in
+{
+
+  imports = [{
+    options.just.recipes = mkOption {
+      type = types.submoduleWith {
+        modules = [{ freeformType = types.attrsOf recipeType; }];
+        specialArgs = { inherit pkgs; };
+      };
+      default = { };
+    };
+  }]
+  ++ (listEntries ./recipes);
+
+  options.just = {
+    enable = mkEnableOption "the just command runner";
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.just;
+      defaultText = lib.literalExpression "pkgs.just";
+      description = "The just package to use.";
+    };
+
+    commonFileName = mkOption {
+      type = types.str;
+      default = "just-flake.just";
+      description = ''
+        The name of the common justfile generated by this module.
+      '';
+    };
+
+  };
+
+  config = lib.mkIf config.just.enable {
+
+    packages = [
+      config.just.package
+    ];
+
+    enterShell =
+      let
+        commonJustfile = pkgs.writeTextFile {
+          name = "justfile";
+          text =
+            lib.concatStringsSep "\n"
+              (lib.mapAttrsToList (name: recipe: recipe.outputs.justfile) config.just.recipes);
+        };
+      in
+      ''
+        ln -sf ${builtins.toString commonJustfile} ./${config.just.commonFileName}
+
+        echo
+        echo "https://devenv.sh (version ${version}): Fast, Declarative, Reproducible, and Composable Developer Environments 🦾🦾"
+        echo
+        echo "Run 'just <recipe>' to get started"
+        just --list
+      '';
+  };
+}
diff --git a/src/modules/integrations/just/recipe-module.nix b/src/modules/integrations/just/recipe-module.nix
new file mode 100644
index 000000000..c2435c80d
--- /dev/null
+++ b/src/modules/integrations/just/recipe-module.nix
@@ -0,0 +1,43 @@
+{ config, name, lib, pkgs, ... }:
+let
+  inherit (lib) mkOption mkEnableOption types;
+
+in
+{
+  options = {
+    enable = mkEnableOption "this recipe";
+    justfile = mkOption {
+      type = types.either types.str types.path;
+      description = ''
+        The justfile representing this recipe.
+      '';
+      apply = x:
+        if builtins.isPath x then x else
+        pkgs.writeTextFile {
+          name = "${name}.just";
+          text = x;
+        };
+    };
+    package = mkOption {
+      type = types.nullOr types.package;
+      default = null;
+      description = lib.mdDoc
+        ''
+          An optional package that provides the recipe.
+        '';
+    };
+    outputs.justfile = mkOption {
+      type = types.str;
+      readOnly = true;
+      description = ''
+        The justfile code for importing this recipe's justfile.
+
+        See https://just.systems/man/en/chapter_53.html
+      '';
+      default =
+        if config.enable
+        then "import '${builtins.toString config.justfile}'"
+        else "";
+    };
+  };
+}
diff --git a/src/modules/integrations/just/recipes/convco.nix b/src/modules/integrations/just/recipes/convco.nix
new file mode 100644
index 000000000..4101e144e
--- /dev/null
+++ b/src/modules/integrations/just/recipes/convco.nix
@@ -0,0 +1,37 @@
+{ pkgs, lib, config, ... }:
+
+let
+  inherit (lib) types mkOption mkEnableOption;
+  inherit (import ../utils.nix { inherit lib pkgs; }) recipeModule recipeType;
+
+in
+{
+  options.just.recipes.convco = mkOption {
+    description = "Add the 'changelog' target calling convco";
+    type = types.submodule {
+      imports = [ recipeModule ];
+      options.settings = {
+        file-name =
+          mkOption {
+            type = types.str;
+            description = lib.mdDoc "The name of the file to output the chaneglog to.";
+            default = "CHANGELOG.md";
+          };
+      };
+    };
+  };
+
+  config.just.recipes.convco = lib.mkIf config.just.enable {
+    package = lib.mkDefault pkgs.convco;
+    justfile =
+      let
+        binPath = lib.getExe config.just.recipes.convco.package;
+        fileName = config.just.recipes.convco.settings.file-name;
+      in
+      lib.mkDefault ''
+        # Generate ${fileName} using recent commits
+        changelog:
+          ${binPath} changelog -p "" > ${fileName}
+      '';
+  };
+}
diff --git a/src/modules/integrations/just/recipes/devenv-script.nix b/src/modules/integrations/just/recipes/devenv-script.nix
new file mode 100644
index 000000000..d16212e4d
--- /dev/null
+++ b/src/modules/integrations/just/recipes/devenv-script.nix
@@ -0,0 +1,42 @@
+{ pkgs, lib, config, ... }:
+
+let
+  inherit (lib) types mkOption mkEnableOption;
+  inherit (import ../utils.nix { inherit lib pkgs; }) recipeModule recipeType;
+
+  devenvScriptRecipes = lib.genAttrs (builtins.attrNames config.scripts) (name:
+    let
+      script = config.scripts.${name};
+    in
+    mkOption {
+      description = script.description;
+      type = types.submodule {
+        imports = [ recipeModule ];
+      };
+    });
+
+in
+{
+  options = {
+    just = {
+      recipes = devenvScriptRecipes;
+    };
+  };
+
+  config = lib.mkIf config.just.enable {
+    just = {
+      recipes = lib.genAttrs (builtins.attrNames config.scripts) (name:
+        let
+          script = config.scripts.${name};
+        in
+        {
+          enable = lib.mkDefault script.just.enable;
+          justfile = lib.mkDefault ''
+            #${script.description}
+            ${name}:
+              ${name}
+          '';
+        });
+    };
+  };
+}
diff --git a/src/modules/integrations/just/recipes/devenv-up.nix b/src/modules/integrations/just/recipes/devenv-up.nix
new file mode 100644
index 000000000..50ec11cbe
--- /dev/null
+++ b/src/modules/integrations/just/recipes/devenv-up.nix
@@ -0,0 +1,24 @@
+{ pkgs, lib, config, ... }:
+
+let
+  inherit (lib) types mkOption mkEnableOption;
+  inherit (import ../utils.nix { inherit lib pkgs; }) recipeModule recipeType;
+
+in
+{
+  options.just.recipes.up = mkOption {
+    description = "Starts processes in foreground. See http://devenv.sh/processes";
+    type = types.submodule {
+      imports = [ recipeModule ];
+    };
+  };
+
+  config.just.recipes.up = lib.mkIf config.just.enable {
+    enable = lib.mkDefault true;
+    justfile = lib.mkDefault ''
+      # Starts processes in foreground. See http://devenv.sh/processes
+      up:
+        devenv up
+    '';
+  };
+}
diff --git a/src/modules/integrations/just/recipes/git-cliff.nix b/src/modules/integrations/just/recipes/git-cliff.nix
new file mode 100644
index 000000000..668b31359
--- /dev/null
+++ b/src/modules/integrations/just/recipes/git-cliff.nix
@@ -0,0 +1,132 @@
+{ pkgs, lib, config, ... }:
+
+let
+  inherit (lib) types mkOption mkEnableOption;
+  inherit (import ../utils.nix { inherit lib pkgs; }) recipeModule recipeType;
+
+  cfg = config.just.recipes.git-cliff;
+  fileName = cfg.settings.file-name;
+
+  git-cliff-config = pkgs.writeTextFile {
+    name = "cliff.toml";
+    text = cfg.settings.config-file;
+  };
+
+  git-cliff-entry = pkgs.writeShellScriptBin "git-cliff" ''
+    ${lib.optionalString cfg.settings.integrations.github.enable ''
+      # Get the remote URL
+      REMOTE_URL=$(git config --get remote.origin.url)
+
+      # Extract the owner and repo name from the URL
+      if [[ $REMOTE_URL =~ ^https://github.com/(.*)/(.*)\.git$ ]]; then
+          OWNER=''${BASH_REMATCH[1]}
+          REPO=''${BASH_REMATCH[2]}
+      elif [[ $REMOTE_URL =~ ^git@github.com:(.*)/(.*)\.git$ ]]; then
+          OWNER=''${BASH_REMATCH[1]}
+          REPO=''${BASH_REMATCH[2]}
+      else
+          echo "Unsupported remote URL format: $REMOTE_URL"
+          exit 1
+      fi
+
+      # Combine owner and repo name
+      GITHUB_REPO="$OWNER/$REPO"
+    ''}
+
+    ${lib.getExe' cfg.package "git-cliff"} \
+    --output ${fileName} \
+    --config ${git-cliff-config.outPath}
+  '';
+
+in
+{
+  options.just.recipes.git-cliff = mkOption {
+    description = "Add the 'changelog' target calling convco";
+    type = types.submodule {
+      imports = [ recipeModule ];
+      options.settings = {
+        file-name =
+          mkOption {
+            type = types.str;
+            description = lib.mdDoc "The name of the file to output the chaneglog to.";
+            default = "CHANGELOG.md";
+          };
+
+        config-file = mkOption {
+          type = types.str;
+          description = ''
+            The git-cliff config to use.
+
+            See https://git-cliff.org/docs/configuration/
+          '';
+          default = ''
+            [changelog]
+            header = """
+            # Changelog\n
+            All notable changes to this project will be documented in this file.\n
+            """
+            body = """
+            {% if version %}\
+                ## [{{ version | trim_start_matches(pat="v") }}] - {{ timestamp | date(format="%Y-%m-%d") }}
+            {% else %}\
+                ## [unreleased]
+            {% endif %}\
+            {% for group, commits in commits | group_by(attribute="group") %}
+                ### {{ group | striptags | trim | upper_first }}
+                {% for commit in commits %}
+                    - {% if commit.scope %}*({{ commit.scope }})* {% endif %}\
+                        {% if commit.breaking %}[**breaking**] {% endif %}\
+                        {{ commit.message | upper_first }}\
+                {% endfor %}
+            {% endfor %}\n
+            """
+            # template for the changelog footer
+            footer = """
+            <!-- generated by git-cliff -->
+            """
+            # remove the leading and trailing s
+            trim = true
+
+            [git]
+            conventional_commits = true
+            filter_unconventional = true
+            split_commits = false
+            commit_parsers = [
+              { message = "^feat", group = "<!-- 0 -->🚀 Features" },
+              { message = "^fix", group = "<!-- 1 -->🐛 Bug Fixes" },
+              { message = "^doc", group = "<!-- 3 -->📚 Documentation" },
+              { message = "^perf", group = "<!-- 4 -->⚡ Performance" },
+              { message = "^refactor", group = "<!-- 2 -->🚜 Refactor" },
+              { message = "^style", group = "<!-- 5 -->🎨 Styling" },
+              { message = "^test", group = "<!-- 6 -->🧪 Testing" },
+              { message = "^chore\\(release\\): prepare for", skip = true },
+              { message = "^chore\\(deps.*\\)", skip = true },
+              { message = "^chore\\(pr\\)", skip = true },
+              { message = "^chore\\(pull\\)", skip = true },
+              { message = "^chore|^ci", group = "<!-- 7 -->⚙️ Miscellaneous Tasks" },
+              { body = ".*security", group = "<!-- 8 -->🛡️ Security" },
+              { message = "^revert", group = "<!-- 9 -->◀️ Revert" },
+            ]
+            protect_breaking_commits = false
+            filter_commits = false
+            topo_order = false
+            sort_commits = "oldest"
+          '';
+        };
+        integrations = {
+          github.enable = mkEnableOption "GitHub integration. See https://git-cliff.org/docs/integration/github";
+        };
+      };
+    };
+  };
+
+  config.just.recipes.git-cliff = lib.mkIf config.just.enable {
+    package = lib.mkDefault pkgs.git-cliff;
+    justfile = lib.mkDefault
+      ''
+        # Generate ${fileName} using recent commits
+        changelog:
+          ${git-cliff-entry}/bin/git-cliff
+      '';
+  };
+}
diff --git a/src/modules/integrations/just/recipes/rust.nix b/src/modules/integrations/just/recipes/rust.nix
new file mode 100644
index 000000000..76b427bcc
--- /dev/null
+++ b/src/modules/integrations/just/recipes/rust.nix
@@ -0,0 +1,27 @@
+{ pkgs, lib, config, ... }:
+
+let
+  inherit (lib) types mkOption mkEnableOption;
+  inherit (import ../utils.nix { inherit lib pkgs; }) recipeModule recipeType;
+
+in
+{
+  options.just.recipes.rust = mkOption {
+    description = "Add 'w' and 'test' targets for running cargo";
+    type = types.submodule {
+      imports = [ recipeModule ];
+    };
+  };
+
+  config.just.recipes.rust = lib.mkIf config.just.enable {
+    justfile = lib.mkDefault ''
+      # Compile and watch the project
+      w:
+        cargo watch
+
+      # Run and watch 'cargo test'
+      test:
+        cargo watch -s "cargo test"
+    '';
+  };
+}
diff --git a/src/modules/integrations/just/utils.nix b/src/modules/integrations/just/utils.nix
new file mode 100644
index 000000000..9dcbbab46
--- /dev/null
+++ b/src/modules/integrations/just/utils.nix
@@ -0,0 +1,24 @@
+{ lib, pkgs, ... }:
+let
+  inherit (lib) types;
+  inherit (lib.attrsets) recursiveUpdate;
+
+  recipeModule = {
+    imports = [ ./recipe-module.nix ];
+    config._module.args = { inherit pkgs; };
+  };
+  recipeType = types.submodule recipeModule;
+
+  mkCmdArgs = predActionList:
+    lib.concatStringsSep
+      " "
+      (builtins.foldl'
+        (acc: entry:
+          acc ++ lib.optional (builtins.elemAt entry 0) (builtins.elemAt entry 1))
+        [ ]
+        predActionList);
+
+in
+{
+  inherit mkCmdArgs recipeModule recipeType;
+}
diff --git a/src/modules/scripts.nix b/src/modules/scripts.nix
index c74ece408..168e41f57 100644
--- a/src/modules/scripts.nix
+++ b/src/modules/scripts.nix
@@ -29,6 +29,13 @@ let
           description = "Description of the script.";
           default = "";
         };
+        just = {
+          enable = lib.mkOption {
+            type = types.bool;
+            description = "Include this script in just runner.";
+            default = false;
+          };
+        };
         scriptPackage = lib.mkOption {
           internal = true;
           type = types.package;
diff --git a/tests/just/.test.sh b/tests/just/.test.sh
new file mode 100644
index 000000000..b4cfda711
--- /dev/null
+++ b/tests/just/.test.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -ex
+just | grep "Generate CHANGELOG.md using recent commits"
+just | grep "test hello"
+just | grep "Hello Script"
diff --git a/tests/just/devenv.nix b/tests/just/devenv.nix
new file mode 100644
index 000000000..11c0d6d78
--- /dev/null
+++ b/tests/just/devenv.nix
@@ -0,0 +1,25 @@
+{ pkgs, ... }: {
+  just = {
+    enable = true;
+    recipes = {
+      convco.enable = true;
+      hello = {
+        enable = true;
+        justfile = ''
+          # test hello
+          hello:
+            echo Hello World;
+        '';
+      };
+    };
+  };
+
+  scripts.hello-scripts = {
+    exec = ''
+      echo "Hello Script!"
+    '';
+    description = "Hello Script";
+    just.enable = true;
+  };
+
+}