feat: optimize Dockerfile to reduce image size and build time

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+.git
+test
+docs
+*.log
+dist
+tmp
+coverage

Dockerfile

@@ -1,70 +1,36 @@
+# Stage 1: Build
 FROM node:20-alpine AS build
-
-# Copy the source code
-COPY ./ /tmp/source_code
+WORKDIR /app
 
 # Install dependencies
-RUN cd /tmp/source_code && npm install --ignore-scripts
-
-# Build the source code
-RUN cd /tmp/source_code && npm run build
-
-# create libraries directory
-RUN mkdir -p /libraries
+COPY package*.json ./
+RUN npm install --ignore-scripts
 
-# Copy the lib, bin, node_modules, and package.json files to the /libraries directory
-RUN cp -r /tmp/source_code/lib /libraries
-RUN cp -r /tmp/source_code/assets /libraries
-RUN cp /tmp/source_code/package.json /libraries
-RUN cp /tmp/source_code/package-lock.json /libraries
-RUN cp /tmp/source_code/oclif.manifest.json /libraries
+# Copy rest of the source and build
+COPY . .
+RUN npm run build && \
+    npm prune --omit=dev && \
+    rm -rf test docs .git
 
-# Copy the bin directory to the /libraries directory
-RUN cp -r /tmp/source_code/bin /libraries
+# Stage 2: Runtime
+FROM ghcr.io/puppeteer/puppeteer:20.8.0
 
-# Remove everything inside /tmp
-RUN rm -rf /tmp/*
+# Switch to root to create user and set up permissions
+USER root
 
-FROM node:20-alpine
-
-# Set ARG to explicit value to build chosen version. Default is "latest"
-ARG ASYNCAPI_CLI_VERSION=
-
-# Create a non-root user
-RUN addgroup -S myuser && adduser -S myuser -G myuser
+# Create non-root user
+RUN groupadd -r myuser && useradd -r -g myuser myuser
 
+# Copy built files from builder stage
 WORKDIR /app
+COPY --from=build /app /app
 
-# Since 0.14.0 release of html-template chromium is needed for pdf generation
-ENV PUPPETEER_EXECUTABLE_PATH /usr/bin/chromium-browser
-ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
-# Since 0.30.0 release Git is supported and required as a dependency
-# Since 0.14.0 release of html-template chromium is needed for pdf generation.
-# More custom packages for specific template should not be added to this dockerfile. Instead, we should come up with some extensibility solution.
-RUN apk --update add git chromium && \
-    apk add --no-cache --virtual .gyp python3 make g++ && \
-    rm -rf /var/lib/apt/lists/* && \
-    rm /var/cache/apk/*
-
-# Copy the libraries directory from the build stage
-COPY --from=build /libraries /libraries
+# Create symlink and set permission, as root
+RUN ln -s /app/bin/run_bin /usr/local/bin/asyncapi && chmod +x /usr/local/bin/asyncapi
 
-# Install the dependencies
-RUN cd /libraries && npm install --production --ignore-scripts
-
-# Create a script that runs the desired command
-RUN ln -s /libraries/bin/run_bin /usr/local/bin/asyncapi
-
-# Make the script executable
-RUN chmod +x /usr/local/bin/asyncapi
-
-# Change ownership to non-root user
-RUN chown -R myuser:myuser /libraries /usr/local/bin/asyncapi || echo "Failed to change ownership"
-
-RUN chown -R myuser:myuser /usr/local/lib/node_modules && \
-chown -R myuser:myuser /usr/local/bin
-
-# Switch to the non-root user
+# Now switch to non-root user for runtime
 USER myuser
 
+ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
+
 ENTRYPOINT [ "asyncapi" ]