diff --git a/charts/kamu-api-server/Chart.yaml b/charts/kamu-api-server/Chart.yaml
index e1154de..ca39e22 100644
--- a/charts/kamu-api-server/Chart.yaml
+++ b/charts/kamu-api-server/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: kamu-api-server
 description: API server component of the Kamu Compute Node
 type: application
-version: 0.16.3
-appVersion: "0.16.2"
+version: 0.16.4
+appVersion: "0.16.3"
 home: https://kamu.dev
 icon: https://www.kamu.dev/images/kamu_logo_icon_bg_square.png
 sources:
diff --git a/charts/kamu-api-server/templates/deployment.yaml b/charts/kamu-api-server/templates/deployment.yaml
index bb4cd38..7a407b8 100644
--- a/charts/kamu-api-server/templates/deployment.yaml
+++ b/charts/kamu-api-server/templates/deployment.yaml
@@ -46,6 +46,8 @@ spec:
           env:
             - name: RUST_BACKTRACE
               value: "1"
+            - name: KAMU_PROTOCOL_SCHEME
+              value: {{ .Values.app.apiExternalHttpScheme | quote }}
             - name: KAMU_AUTH_GITHUB_CLIENT_ID
               value: {{ .Values.app.authGithubClientId | quote }}
             - name: KAMU_AUTH_GITHUB_CLIENT_SECRET
diff --git a/charts/kamu-api-server/values.schema.json b/charts/kamu-api-server/values.schema.json
index 09272b8..8ebe3e3 100644
--- a/charts/kamu-api-server/values.schema.json
+++ b/charts/kamu-api-server/values.schema.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "http://json-schema.org/schema",
+  "$schema": "http://json-schema.org/draft-07/schema",
   "type": "object",
   "properties": {
     "app": {
@@ -7,6 +7,7 @@
       "required": [
         "config",
         "datasetRepositoryUrl",
+        "apiExternalHttpScheme",
         "authGithubClientId",
         "authGithubClientSecret",
         "jwtSecret"
@@ -21,6 +22,9 @@
           "type": "string",
           "format": "uri"
         },
+        "apiExternalHttpScheme": {
+          "type": "string"
+        },
         "authGithubClientId": {
           "type": "string"
         },
@@ -57,4 +61,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file
diff --git a/charts/kamu-api-server/values.yaml b/charts/kamu-api-server/values.yaml
index ef53acf..fca8b7b 100644
--- a/charts/kamu-api-server/values.yaml
+++ b/charts/kamu-api-server/values.yaml
@@ -6,9 +6,14 @@ app:
   # TODO: generate schema for config from DTOs
   config: {}
   # TODO: Move into config file
+
   # URL of the storage bucket for datasets (S3 or Minio)
-  # Example: https://api.kamu.dev/graphql
+  # Example: "s3://repo.example.com.us-west-2/"
   datasetRepositoryUrl: ""
+
+  # Specify "https" if the application is deployed behind a TLS-terminating reverse proxy, "http" otherwise
+  apiExternalHttpScheme: "https"
+
   # TODO: Move into secrets
   authGithubClientId: ""
   authGithubClientSecret: ""