Trim runtime image copy set

Author: gildesmarais

.dockerignore

@@ -13,6 +13,9 @@ app.json
 bin/
 coverage/
 docs/
+!docs/api/
+!docs/api/v1/
+!docs/api/v1/openapi.yaml
 Dockerfile
 Procfile
 Rakefile

Dockerfile

@@ -79,7 +79,11 @@ WORKDIR /app
 USER html2rss
 
 COPY --from=builder /usr/local/bundle /usr/local/bundle
-COPY --chown=$USER:$USER . /app
+COPY --chown=$USER:$USER Gemfile Gemfile.lock app.rb config.ru ./
+COPY --chown=$USER:$USER app ./app
+COPY --chown=$USER:$USER config ./config
+COPY --chown=$USER:$USER public ./public
+COPY --chown=$USER:$USER docs/api/v1/openapi.yaml ./docs/api/v1/openapi.yaml
 COPY --from=frontend-builder --chown=$USER:$USER /app/frontend/dist ./frontend/dist
 
 CMD ["bundle", "exec", "puma", "-C", "./config/puma.rb"]