WIP

Author: solnic

.devcontainer/.env.example

@@ -1,7 +1,9 @@
 # Official Ruby images
 IMAGE="ruby:3.4.5-slim-bookworm"
+VERSION="3.4.5"
 
 # IMAGE="jruby:latest"
+# VERSION="latest"
 
 # E2E testing
 SENTRY_DSN="http://user:[email protected]/project/42"

.devcontainer/docker-compose.yml

@@ -6,6 +6,7 @@ services:
       dockerfile: .devcontainer/Dockerfile
       args:
         IMAGE: ${IMAGE}
+        VERSION: ${VERSION}
     volumes:
       - ..:/workspace/sentry:cached
     working_dir: /workspace/sentry

.github/workflows/build_images.yml

@@ -9,11 +9,11 @@ on:
       - .github/workflows/build_images.yml
 
   # Uncomment if you want to test things out in a PR
-  #
-  # pull_request:
-  #   paths:
-  #     - .devcontainer/**
-  #     - .github/workflows/build_images.yml
+
+  pull_request:
+    paths:
+      - .devcontainer/**
+      - .github/workflows/build_images.yml
 
 permissions:
   contents: read
@@ -36,25 +36,32 @@ jobs:
       - name: Check out current commit
         uses: actions/checkout@v4
 
-      - name: Generate short image name
+      - name: Generate short image name and extract version
         id: image_name
         run: |
           ruby_image="${{ matrix.ruby_image }}"
 
+          # Extract full version for GEM_HOME (e.g., ruby:3.4.5-slim-bookworm -> 3.4.5)
           if [[ "$ruby_image" == ruby:* ]]; then
+            full_version=$(echo "$ruby_image" | cut -d: -f2 | cut -d- -f1)
             version=$(echo "$ruby_image" | cut -d: -f2 | cut -d. -f1,2)
             short_name="sentry-ruby-devcontainer-${version}"
           elif [[ "$ruby_image" == jruby:latest ]]; then
+            full_version="latest"
             short_name="sentry-ruby-devcontainer-jruby-latest"
           elif [[ "$ruby_image" == jruby:* ]]; then
+            full_version=$(echo "$ruby_image" | cut -d: -f2 | cut -d- -f1)
             version=$(echo "$ruby_image" | cut -d: -f2 | cut -d. -f1,2)
             short_name="sentry-ruby-devcontainer-jruby-${version}"
           else
+            full_version="latest"
             short_name="sentry-ruby-devcontainer-${ruby_image}"
           fi
 
           echo "short_name=${short_name}" >> $GITHUB_OUTPUT
+          echo "full_version=${full_version}" >> $GITHUB_OUTPUT
           echo "Generated short image name: ${short_name}"
+          echo "Extracted full version: ${full_version}"
 
       - name: Build and push devcontainer image
         id: build
@@ -66,6 +73,7 @@ jobs:
           publish_on_pr: true
           build_args: |
             IMAGE=${{ matrix.ruby_image }}
+            VERSION=${{ steps.image_name.outputs.full_version }}
 
       - name: Use outputs
         run: |