add docker container deployment support

.dockerignore

@@ -0,0 +1,13 @@
+node_modules
+npm-debug.log
+.git
+.env
+.env.*
+!.env.example
+oldCode
+test
+docs
+README.md
+vercel.json
+.github
+src/uploads

.gitignore

@@ -151,3 +151,8 @@ uploads/
 .vercel
 .vercel/*.json
 .env*.local
+
+# AI agent tooling
+.agents/
+skills-lock.json
+.claude/

Dockerfile

@@ -0,0 +1,16 @@
+FROM node:20-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends openssl ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+ENV NODE_ENV=production
+
+COPY package*.json ./
+COPY prisma ./prisma
+RUN npm ci --omit=dev
+
+COPY src ./src
+
+EXPOSE 3000
+CMD ["sh", "-c", "npx prisma migrate deploy && node src/index.js"]

docker-compose.yml

@@ -0,0 +1,48 @@
+services:
+  db:
+    image: mysql:8
+    restart: unless-stopped
+    environment:
+      MYSQL_DATABASE: ${MYSQL_DATABASE:-internify_db}
+      MYSQL_USER: ${MYSQL_USER:-internify}
+      MYSQL_PASSWORD: ${MYSQL_PASSWORD:?set MYSQL_PASSWORD}
+      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD:?set MYSQL_ROOT_PASSWORD}
+    volumes:
+      - db_data:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "127.0.0.1", "-p$$MYSQL_ROOT_PASSWORD"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+
+  app:
+    build: .
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+      DATABASE_URL: ${DATABASE_URL:-mysql://${MYSQL_USER:-internify}:${MYSQL_PASSWORD}@db:3306/${MYSQL_DATABASE:-internify_db}}
+      ALLOWED_ORIGINS: ${ALLOWED_ORIGINS}
+      JWT_PRIVATE_KEY: ${JWT_PRIVATE_KEY}
+      JWT_PUBLIC_KEY: ${JWT_PUBLIC_KEY}
+      RECAPTCHA_SECRET_KEY: ${RECAPTCHA_SECRET_KEY}
+      RECAPTCHA_SITE_KEY: ${RECAPTCHA_SITE_KEY}
+      SWAGGER_ENABLED: ${SWAGGER_ENABLED:-false}
+      AUTH_EMAIL: ${AUTH_EMAIL}
+      AUTH_PASSWORD: ${AUTH_PASSWORD}
+      SEED_ADMIN_EMAIL: ${SEED_ADMIN_EMAIL}
+      SEED_ADMIN_PASSWORD: ${SEED_ADMIN_PASSWORD}
+      SEED_ACTIVE_BATCH_NUMBER: ${SEED_ACTIVE_BATCH_NUMBER}
+    volumes:
+      - uploads:/tmp/uploads
+      - mentor_uploads:/app/src/uploads
+    expose:
+      - "3000"
+
+volumes:
+  db_data:
+  uploads:
+  mentor_uploads:

src/index.js

@@ -118,9 +118,9 @@ app.use((err, req, res, next) => {
 const server = http.createServer(app);
 initSocket(server);
 
-if (process.env.NODE_ENV !== 'production') {
-  server.listen(PORT, () => {
-    console.log(`listening at http://localhost:${PORT}`);
+if (!process.env.VERCEL) {
+  server.listen(PORT || 3000, () => {
+    console.log(`listening on port ${PORT || 3000}`);
   });
 }