🐛 fix: use Dockerfile.prod.template instead of generating inline

.gitea/workflows/ci-cd.yaml

@@ -318,48 +318,12 @@ jobs:
           source VERSION
           IMAGE_VERSION="$MAJOR.$MINOR.$PATCH${PRERELEASE:+-$PRERELEASE}"
           
-          # Generate Dockerfile.prod with correct dependency hash
+          # Use the template file with proper dependency hash replacement
           DEPS_HASH="${{ needs.build-cache.outputs.deps_hash }}"
           echo "Using dependency hash: $DEPS_HASH"
           
-          # Create Dockerfile.prod with the correct cache image tag
-          cat > docker/Dockerfile.prod << EOF
-          # dance-lessons-coach Production Docker Image
-          # Generated by CI/CD pipeline with dependency hash: $DEPS_HASH
-          
-          # Use the build cache image as base
-          FROM gitea.arcodange.lab/arcodange/dance-lessons-coach-build-cache:$DEPS_HASH AS builder
-          
-          # Final minimal image
-          FROM alpine:3.18
-          
-          WORKDIR /app
-          
-          # Install minimal dependencies
-          RUN apk add --no-cache ca-certificates tzdata
-          
-          # Copy binary from builder
-          COPY --from=builder /workspace/dance-lessons-coach /app/dance-lessons-coach
-          
-          # Copy configuration
-          COPY config.yaml /app/config.yaml
-          
-          # Set permissions
-          RUN chmod +x /app/dance-lessons-coach
-          
-          # Set timezone
-          ENV TZ=UTC
-          
-          # Expose port
-          EXPOSE 8080
-          
-          # Health check
-          HEALTHCHECK --interval=30s --timeout=3s \
-              CMD wget -q --spider http://localhost:8080/api/health || exit 1
-          
-          # Entry point
-          ENTRYPOINT ["/app/dance-lessons-coach"]
-          EOF
+          # Create Dockerfile.prod from template
+          sed "s/{{DEPS_HASH}}/$DEPS_HASH/g" docker/Dockerfile.prod.template > docker/Dockerfile.prod
           
           TAGS="$IMAGE_VERSION latest ${{ github.sha }}"
           echo "Building Docker image with tags: $TAGS"