esbuild for prod

Dockerfile

@@ -4,9 +4,10 @@ FROM node:18-alpine
 # Set working directory
 WORKDIR /app
 
-# Copy package files and install dependencies
+# Copy package files, config script, and install dependencies
-COPY package.json package-lock.json ./
+COPY package.json package-lock.json esbuild.config.js ./
-RUN npm ci --only=production
+# Install all dependencies, build with esbuild, then remove devDeps
+RUN npm ci && npm run build && npm prune --production
 
 # Copy application source
 COPY . .
@@ -14,5 +15,8 @@ COPY . .
 # Expose the application port
 EXPOSE 3000
 
+# Set NODE_ENV to production
+ENV NODE_ENV=production
+
 # Run the application
-CMD ["npm", "start"] 
+CMD ["npm", "run", "daemon"]

esbuild.config.js

@@ -0,0 +1,12 @@
+import { build } from 'esbuild';
+
+build({
+  entryPoints: ['index.js'],
+  bundle: true,
+  platform: 'node',
+  target: 'node18',
+  outfile: 'dist/index.js',
+  minify: true,
+  legalComments: 'none',
+  drop: ['console', 'debugger'],
+}).catch(() => process.exit(1));

package.json

@@ -5,14 +5,16 @@
   "scripts": {
     "start": "node index.js",
     "dev": "nodemon index.js",
-    "daemon": "pm2 start index.js --name checkpoint",
+    "daemon": "pm2 start dist/index.js --name checkpoint",
     "stop": "pm2 stop checkpoint",
     "restart": "pm2 restart checkpoint",
-    "logs": "pm2 logs checkpoint"
+    "logs": "pm2 logs checkpoint",
+    "build": "node esbuild.config.js"
   },
   "devDependencies": {
     "nodemon": "^3.0.2",
-    "prettier": "^2.8.8"
+    "prettier": "^2.8.8",
+    "esbuild": "^0.18.17"
   },
   "dependencies": {
     "@iarna/toml": "^2.2.5",