example-mcp-server-sse

# ========================================================================= # Stage 1: Builder # This stage installs all dependencies (including dev) and builds the # TypeScript source code into JavaScript. # ========================================================================= FROM node:20-alpine AS builder # Set the working directory inside the container WORKDIR /usr/src/app # Copy package.json and package-lock.json first to leverage Docker's layer caching. # This step only re-runs if these files change. COPY package*.json ./ RUN npm install # Copy the rest of your application's source code COPY . . # Build the TypeScript project into JavaScript in the /dist directory RUN npm run build # ========================================================================= # Stage 2: Production # This stage creates the final, lean image. It starts from a fresh Node.js # base and only copies the necessary production dependencies and the # compiled JavaScript from the 'builder' stage. # ========================================================================= FROM node:20-alpine AS production # Set the working directory WORKDIR /usr/src/app # Copy package.json and package-lock.json again COPY package*.json ./ # Install ONLY production dependencies RUN npm install --omit=dev # Copy the built application from the 'builder' stage COPY --from=builder /usr/src/app/dist ./dist # Expose the port the application will run on. This is documentation; the actual # port mapping is done in docker-compose.yml. # We will use an ARG and ENV to make this configurable. ARG PORT=1923 ENV PORT=${PORT} EXPOSE ${PORT} # The command to run your application CMD ["node", "dist/server.js"]