deploying, #7

Dockerfile

@@ -20,9 +20,9 @@ RUN apt-get update -qq && \
 
 # Set production environment
 ENV RAILS_ENV="production" \
+    BUNDLE_WITHOUT="development:test" \
     BUNDLE_DEPLOYMENT="1" \
-    BUNDLE_PATH="/usr/local/bundle" \
-    BUNDLE_WITHOUT="development"
+    BUNDLE_PATH="/usr/local/bundle"
 
 # Throw-away build stage to reduce size of final image
 FROM base AS build
@@ -49,16 +49,19 @@ RUN apt-get update && apt-get install -y ca-certificates curl gnupg && \
 # Verify Node.js and Yarn installation
 RUN node --version && yarn --version
 
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle config set --local build.nokogiri --use-system-libraries && \
+    bundle install --jobs 4 --retry 3 && \
+    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git
+
 # Install node modules
 COPY package.json yarn.lock ./
 RUN yarn install --frozen-lockfile
 
 # Copy application code
 COPY . .
 
-RUN bundle config set --local build.nokogiri --use-system-libraries
-RUN bundle install --jobs 4 --retry 3
-
 # Final stage for app image
 FROM base