diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..1d953f4
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..4f81b7f
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,64 @@
+name: Docker Build
+
+on:
+  release:
+    types:
+      - published
+  push:
+    tags:
+    branches:
+      - main
+      - dev*
+
+jobs:
+  docker-build:
+    name: Build Docker Image
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+
+    steps:
+      - name: Wait for checks to succeed
+        uses: lewagon/wait-on-check-action@master
+        with:
+          ref: ${{ github.ref }}
+          check-name: 'Verify Docker Build'
+          running-workflow-name: 'Verify'
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          allowed-conclusions: success
+      - name: Checkout
+        uses: actions/checkout@v4
+      - uses: gradle/wrapper-validation-action@v3
+      - name: Login to GitHub Packages
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Push image
+        uses: docker/build-push-action@v6
+        with:
+          file: bot/Dockerfile
+          context: .
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ github.sha }}
+      - name: Tag & Push branch image
+        uses: docker/build-push-action@v6
+        with:
+          file: bot/Dockerfile
+          context: .
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ github.sha }}
+            ghcr.io/${{ github.repository }}:${{ github.ref_name }}
+      - name: Tag & Push latest image
+        if: github.ref_name == 'main'
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: bot/Dockerfile
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ github.sha }}
+            ghcr.io/${{ github.repository }}:latest
diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
index 4663948..65f81e0 100644
--- a/.github/workflows/verify.yml
+++ b/.github/workflows/verify.yml
@@ -1,6 +1,9 @@
 name: Verify state
 
 on:
+  release:
+    types:
+      - published
   push:
   pull_request:
     types: [ opened, ready_for_review, synchronize ]
@@ -8,14 +11,16 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    name: "Verify gradle"
 
     steps:
       - uses: actions/checkout@v2.3.4
-      - name: Set up JDK 17
+      - uses: gradle/wrapper-validation-action@v3
+      - name: Set up JDK
         uses: actions/setup-java@v2
         with:
           distribution: adopt
-          java-version: 17
+          java-version: 21
       - name: Check licence
         run: ./gradlew licenseCheck
       - name: Build with Gradle
diff --git a/.gitignore b/.gitignore
index 9a90532..1097b10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@ buildNumber.properties
 *.sqlite
 /wait.sh
 /conf/
+.direnv
diff --git a/README.md b/README.md
index 92b3084..01f6b69 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Bot and spigot plugin used for the dev cord plugin jamCreator
+Bot and spigot plugin used for the dev cord plugin jam
 
 ## Start Arguments for paper
 `-Dpluginjam.port`
diff --git a/bot/Dockerfile b/bot/Dockerfile
new file mode 100644
index 0000000..3477d6b
--- /dev/null
+++ b/bot/Dockerfile
@@ -0,0 +1,12 @@
+FROM gradle:jdk21-alpine as build
+
+COPY . .
+RUN gradle clean build --no-daemon
+
+FROM eclipse-temurin:21-alpine as runtime
+
+WORKDIR /app
+
+COPY --from=build /home/gradle/bot/build/libs/bot-*-all.jar bot.jar
+
+ENTRYPOINT ["java", "-Dbot.config=config/config.json", "-Dlog4j.configurationFile=config/log4j2.xml", "-Dcjda.localisation.error.name=false", "-jar" , "bot.jar"]
diff --git a/bot/build.gradle.kts b/bot/build.gradle.kts
index 5fa234d..2a9e1b6 100644
--- a/bot/build.gradle.kts
+++ b/bot/build.gradle.kts
@@ -1,10 +1,10 @@
 plugins {
-    id("com.github.johnrengelman.shadow") version "7.1.2"
+    alias(libs.plugins.shadow)
     java
 }
 
 group = "de.chojo"
-version = "1.0"
+version = "1.0.0"
 
 repositories {
     maven("https://eldonexus.de/repository/maven-public")
diff --git a/build.gradle.kts b/build.gradle.kts
index e47823d..45bdb4b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -29,7 +29,7 @@ allprojects {
         withSourcesJar()
         withJavadocJar()
         toolchain {
-            languageVersion.set(JavaLanguageVersion.of(17))
+            languageVersion.set(JavaLanguageVersion.of(21))
         }
     }
 
diff --git a/docker/bot.DockerFile b/docker/bot.DockerFile
deleted file mode 100644
index 22f9d27..0000000
--- a/docker/bot.DockerFile
+++ /dev/null
@@ -1,8 +0,0 @@
-FROM openjdk:18
-
-WORKDIR /app
-
-ADD bot/build/libs/bot-1.0-all.jar bot.jar
-ADD conf/dev/config.json config.json
-
-ENTRYPOINT ["java", "-Dbot.config=./config.json","-jar", "bot.jar"]
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 641dca8..79bafa6 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -4,7 +4,7 @@ services:
   bot:
     image: game-jam-bot
     build:
-      dockerfile: docker/bot.DockerFile
+      dockerfile: ../bot/Dockerfile
       context: ..
     networks:
       - plugin-jam
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7454180..a4b76b9 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ae04661..9355b41 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 744e882..f5feea6 100755
--- a/gradlew
+++ b/gradlew
@@ -1,7 +1,7 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 #
-# Copyright 2015 the original author or authors.
+# Copyright © 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,69 +15,104 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
-##
-##  Gradle start up script for UN*X
-##
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
 ##############################################################################
 
 # Attempt to set APP_HOME
+
 # Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
 done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
 
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
+MAX_FD=maximum
 
 warn () {
     echo "$*"
-}
+} >&2
 
 die () {
     echo
     echo "$*"
     echo
     exit 1
-}
+} >&2
 
 # OS specific support (must be 'true' or 'false').
 cygwin=false
 msys=false
 darwin=false
 nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MSYS* | MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
 esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
@@ -87,9 +122,9 @@ CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
         # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD="$JAVA_HOME/jre/sh/java"
+        JAVACMD=$JAVA_HOME/jre/sh/java
     else
-        JAVACMD="$JAVA_HOME/bin/java"
+        JAVACMD=$JAVA_HOME/bin/java
     fi
     if [ ! -x "$JAVACMD" ] ; then
         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
@@ -98,88 +133,120 @@ Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
     fi
 else
-    JAVACMD="java"
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
-    MAX_FD_LIMIT=`ulimit -H -n`
-    if [ $? -eq 0 ] ; then
-        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
-            MAX_FD="$MAX_FD_LIMIT"
-        fi
-        ulimit -n $MAX_FD
-        if [ $? -ne 0 ] ; then
-            warn "Could not set maximum file descriptor limit: $MAX_FD"
-        fi
-    else
-        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
-    fi
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
 fi
 
-# For Darwin, add options to specify how the application appears in the dock
-if $darwin; then
-    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
-fi
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
 
 # For Cygwin or MSYS, switch paths to Windows format before running java
-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
     # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
         fi
-        i=`expr $i + 1`
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
     done
-    case $i in
-        0) set -- ;;
-        1) set -- "$args0" ;;
-        2) set -- "$args0" "$args1" ;;
-        3) set -- "$args0" "$args1" "$args2" ;;
-        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
-    esac
 fi
 
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
-}
-APP_ARGS=`save "$@"`
 
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
 
 exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index 107acd3..9d21a21 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -13,8 +13,10 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +27,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,13 +43,13 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -56,11 +59,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -75,13 +78,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal
diff --git a/plugin-api/build.gradle.kts b/plugin-api/build.gradle.kts
index ae2bfec..7812789 100644
--- a/plugin-api/build.gradle.kts
+++ b/plugin-api/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 }
 
 group = "de.chojo"
-version = "1.0"
+version = "1.0.0"
 
 repositories {
     mavenCentral()
@@ -15,7 +15,3 @@ dependencies {
     testImplementation("org.junit.jupiter", "junit-jupiter-api", "5.6.0")
     testRuntimeOnly("org.junit.jupiter", "junit-jupiter-engine")
 }
-
-tasks.getByName<Test>("test") {
-    useJUnitPlatform()
-}
diff --git a/plugin-paper/build.gradle.kts b/plugin-paper/build.gradle.kts
index 8a2e85d..f036156 100644
--- a/plugin-paper/build.gradle.kts
+++ b/plugin-paper/build.gradle.kts
@@ -1,10 +1,11 @@
 plugins {
     java
-    id("net.minecrell.plugin-yml.bukkit") version "0.5.2"
-    id("com.github.johnrengelman.shadow") version "7.1.2"
+    alias(libs.plugins.pluginyml)
+    alias(libs.plugins.shadow)
 }
 
 group = "de.chojo"
+version = "1.0.0"
 
 dependencies {
     implementation(project(":plugin-api"))
@@ -18,10 +19,8 @@ tasks {
     shadowJar {
         val shadebase = "de.chojo.pluginjam."
         relocate("de.eldoria.eldoutilities", shadebase + "eldoutilities")
-        //relocate("io.javalin", shadebase + "javalin")
         mergeServiceFiles()
         archiveFileName.set("pluginjam.jar")
-        //minimize()
     }
 
     register<Copy>("copyToServer") {
@@ -34,7 +33,7 @@ tasks {
         destinationDir = File(path.toString())
     }
 
-    build{
+    build {
         dependsOn(shadowJar)
     }
 }
diff --git a/plugin-velocity/build.gradle.kts b/plugin-velocity/build.gradle.kts
index 756d273..f7dc0b9 100644
--- a/plugin-velocity/build.gradle.kts
+++ b/plugin-velocity/build.gradle.kts
@@ -1,20 +1,21 @@
 plugins {
     java
-    id("com.github.johnrengelman.shadow") version "7.1.2"
+    alias(libs.plugins.shadow)
 }
 
-repositories{
-    maven("https://repo.velocitypowered.com/snapshots/")
+repositories {
+    mavenCentral()
+    maven("https://repo.papermc.io/repository/maven-public/")
 }
 
 dependencies{
     implementation("io.javalin", "javalin", "4.6.8")
     implementation(project(":plugin-api"))
-    compileOnly("com.velocitypowered", "velocity-api", "1.0.0-SNAPSHOT")
-    annotationProcessor("com.velocitypowered", "velocity-api", "1.0.0-SNAPSHOT")
+    compileOnly("com.velocitypowered:velocity-api:3.3.0-SNAPSHOT")
+    annotationProcessor("com.velocitypowered:velocity-api:3.3.0-SNAPSHOT")
 }
 
-tasks{
+tasks {
     shadowJar {
         val shadebase = "de.chojo.pluginjam.libs"
         //relocate("io.javalin", "$shadebase.javalin")
diff --git a/plugin-velocity/src/main/java/de/chojo/pluginjam/servers/ServerRegistry.java b/plugin-velocity/src/main/java/de/chojo/pluginjam/servers/ServerRegistry.java
index 79c0e07..f08b15a 100644
--- a/plugin-velocity/src/main/java/de/chojo/pluginjam/servers/ServerRegistry.java
+++ b/plugin-velocity/src/main/java/de/chojo/pluginjam/servers/ServerRegistry.java
@@ -79,7 +79,7 @@ public void ping(Registration registration) {
         log.debug("Ping of server {} received.", registration.name());
         seen.put(registration, Instant.now());
         if (!ids.containsKey(registration.id()) && !ports.containsKey(registration.port())) {
-            log.info("Received ping of unkown server {} with id {}", registration.id(), registration.name());
+            log.info("Received ping of unknown server {} with id {}", registration.id(), registration.name());
             log.info("Attempting to register server.");
             register(registration);
         }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index b4ed8db..5c6463c 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -5,3 +5,12 @@ include("plugin-paper")
 include("plugin-velocity")
 include("plugin-paper:Readme.md")
 findProject(":plugin-paper:Readme.md")?.name = "Readme.md"
+
+dependencyResolutionManagement {
+    versionCatalogs {
+        create("libs") {
+            plugin("shadow", "com.gradleup.shadow").version("8.3.0")
+            plugin("pluginyml", "net.minecrell.plugin-yml.bukkit").version("0.6.0")
+        }
+    }
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..0916b8b
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,6 @@
+{ pkgs ? import <nixpkgs> {}, ... }:
+
+pkgs.mkShell {
+  packages = with pkgs; [jdk21];
+}
+