Add Dockerfile

Dockerfile

@@ -0,0 +1,38 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json .
+COPY package-lock.json .
+RUN npm ci
+
+# Copy source files
+COPY . .
+
+# Build TypeScript
+RUN npm run build
+
+FROM node:20-alpine
+
+WORKDIR /app
+
+# Copy built files
+COPY --from=0 /app/dist ./dist
+
+# Set environment variables
+ENV NODE_ENV=production
+
+# Install dependencies
+COPY package.json .
+COPY package-lock.json .
+RUN npm ci
+
+# Install PM2
+RUN npm install -g pm2
+
+# Expose port according to the environment
+EXPOSE 8000
+
+# Start the app
+CMD ["pm2-runtime", "dist/index.js"]

package.json

@@ -8,8 +8,7 @@
     "format:check": "prettier --config .prettierrc 'src/**/*.ts' --check",
     "lint": "eslint . --ext .ts",
     "start": "npm run build && node dist/index.js",
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "prepare": "husky install"
+    "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
     "type": "git",
@@ -35,6 +34,7 @@
   "dependencies": {
     "@fastify/swagger": "^8.8.0",
     "@fastify/swagger-ui": "^1.9.3",
+    "dotenv": "^16.4.5",
     "fastify": "^4.21.0"
   },
   "devDependencies": {
@@ -44,7 +44,6 @@
     "eslint": "^8.46.0",
     "eslint-config-prettier": "^8.9.0",
     "eslint-plugin-prettier": "^5.0.0",
-    "husky": "^8.0.0",
     "prettier": "^3.0.0",
     "typescript": "^5.1.6"
   }

src/config/index.ts

@@ -0,0 +1,12 @@
+import dotenv from 'dotenv';
+
+// Get environment variables
+dotenv.config();
+
+const config = {
+  port: parseInt(process.env.PORT as string, 10) || 8000,
+  host: process.env.HOST || '0.0.0.0',
+  environment: process.env.NODE_ENV || 'development'
+};
+
+export default config;

src/index.ts

@@ -1,6 +1,7 @@
 import Fastify from 'fastify';
 import fastifySwagger from '@fastify/swagger';
 import fastifySwaggerUi from '@fastify/swagger-ui';
+import config from './config';
 
 import { getHealthCheck } from './handlers/health-check';
 import { getStatusSimulator } from './handlers/status-simulator';
@@ -15,6 +16,9 @@ import * as BodySimulatorSchema from './schemas/body-simulator.json';
 import * as LoginSimulatorSchema from './schemas/login-simulator.json';
 import * as IdentitySimulatorSchema from './schemas/identity-simulator.json';
 
+// Get environment variables
+const { port, host } = config;
+
 // Initiate Fastify
 const fastify = Fastify({
   logger: true
@@ -65,7 +69,7 @@ fastify.register(
   try {
     fastify.log.info('Monika Alert Simulator is running...');
     await fastify.ready();
-    await fastify.listen({ port: 8000 });
+    await fastify.listen({ port, host });
     fastify.swagger();
   } catch (err) {
     fastify.log.error(err);