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# Use the official Node.js runtime as the parent image # LTS version (e.g., Node 20) is recommended FROM node:20-alpine AS base # Set the working directory in the container WORKDIR /app # Install pnpm globally RUN npm install -g pnpm # Copy package.json and pnpm-lock.yaml COPY package.json pnpm-lock.yaml ./ # Install dependencies using pnpm. --frozen-lockfile ensures reproducibility. RUN pnpm install --frozen-lockfile # Copy the rest of the application code # Note: This copies all files; .dockerignore will exclude unnecessary files later COPY . . # Build TypeScript code to JavaScript RUN pnpm run build # Use a smaller base image for the final stage FROM node:20-slim AS production WORKDIR /app # Copy only necessary files from the build stage COPY --from=base /app/package.json /app/pnpm-lock.yaml ./ COPY --from=base /app/node_modules ./node_modules COPY --from=base /app/dist ./dist COPY --from=base /app/.env.defaults ./ EXPOSE 28091 # Define the command to run the application # Use the start script from package.json CMD ["node", "./dist/index.js"]