ffs

.woodpecker.yml

@@ -1,11 +1,4 @@
 steps:
-
-  - name: create-versioninfo
-    image: alpine
-    commands:
-      - 'echo "Commit SHA: ${CI_COMMIT_SHA:0:7}" > public/versioninfo'
-      - 'echo "Build Date: $(date -u +"%Y-%m-%d %H:%M:%S")" >> public/versioninfo'
-
   - name: build-image
     # This plugin handles the DinD complexity for you
     image: woodpeckerci/plugin-docker-buildx
@@ -24,3 +17,7 @@ steps:
       tags:
         - latest
         - ${CI_COMMIT_SHA:0:7}
+      # tell the Dockerfile about the commit SHA and build date
+      build_args:
+        - COMMIT_SHA=${CI_COMMIT_SHA:0:7}
+        - BUILD_DATE=$(date -u +"%Y-%m-%d %H:%M:%S")

Dockerfile

@@ -7,6 +7,9 @@
 
 # For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html
 
+ARG COMMIT_SHA
+ARG BUILD_DATE
+
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
 ARG RUBY_VERSION=3.2.4
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
@@ -72,6 +75,10 @@ FROM base
 COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
 COPY --from=build /rails /rails
 
+# Add build information so we can check if the deployment works
+RUN echo "Commit SHA: ${COMMIT_SHA}" > /app/public/versioninfo && \
+    echo "Build Date: ${BUILD_DATE}" >> /app/public/versioninfo
+
 # Run and own only the runtime files as a non-root user for security
 RUN groupadd --system --gid 1000 rails && \
     useradd rails --uid 1000 --gid 1000 --create-home --shell /bin/bash && \