Optimize Monorepo by Reducing Artifact and Build Sizes through Package Cleanup and Dependency Updates

.gitignore

@@ -105,4 +105,5 @@ build
 /.idea/
 
 /diagrams/
-.DS_Store
+.DS_Store
+.run/

Dockerfile

@@ -1,48 +1,58 @@
-# multistage docker build
+# Multistage Docker build
 
-# should be a absolute path
+# Define build directory as an absolute path
 ARG build_dir=/build_application
 
-# first stage which builds the application
-FROM node:18
+# First stage: Builds the application
+FROM node:20.18.0 as builder
 
 ARG build_dir
 ENV DEPLOYMENT_URL="http://localhost:8080"
 
-# make build dir
+# Set up the build directory
 WORKDIR $build_dir
 
+# Copy all project files into the build directory
 COPY . .
+
+# Install dependencies and build the application
 RUN npm install
 RUN npm run build
 
-# second stage which creates the container image to run the application
-FROM node:18
+# Second stage: Sets up the container to run the application
+FROM node:20.18.0
 
+# Install cron for scheduling
 RUN apt-get update && apt-get -y install cron
 
+# Expose the application's default port
 EXPOSE 8080
 
+# Create a user and set up necessary directories and permissions
 RUN useradd -r -s /bin/false apollon_standalone \
     && mkdir /opt/apollon_standalone \
     && touch /var/log/cron.log \
     && chmod 622 /var/log/cron.log
 
+# Start cron service
 RUN service cron start
 RUN chown -R apollon_standalone /opt/apollon_standalone
 
+# Switch to non-root user for security
 USER apollon_standalone
 WORKDIR /opt/apollon_standalone
 
+# Create a directory for storing diagrams
 RUN mkdir diagrams
 
-ARG build_dir
-
-# copies build result from first stage
-COPY --chown=apollon_standalone:apollon_standalone --from=0 $build_dir .
+# Copy build results from the first stage
+COPY --chown=apollon_standalone:apollon_standalone --from=builder $build_dir .
 
+# Add cron job for deleting stale diagrams
 RUN crontab delete-stale-diagrams.cronjob.txt
 
+# Set the working directory for the server
 WORKDIR /opt/apollon_standalone/build/server
 
+# Start the application
 CMD [ "node", "./src/main/server.js" ]