deploying, #4

Dockerfile

@@ -29,7 +29,7 @@ FROM base AS build
 
 # Install packages needed to build gems and node modules
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git node-gyp pkg-config python-is-python3 && \
+    apt-get install --no-install-recommends -y build-essential git node-gyp pkg-config python-is-python3 libgmp-dev && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Install JavaScript dependencies
@@ -51,9 +51,8 @@ RUN yarn install --frozen-lockfile
 # Copy application code
 COPY . .
 
-RUN bundle install
-RUN bundle exec bootsnap precompile app/ lib/
-RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
+RUN bundle config set --local build.nokogiri --use-system-libraries
+RUN bundle install --jobs 4 --retry 3
 
 # Final stage for app image
 FROM base