update dockerfile

.env.example

@@ -2,5 +2,5 @@ FASTAPI_URL="http://localhost:8000"
 INTERNAL_API_BASE_URL="http://localhost:3005"
 
 
-DATABASE_URL="postgresql://postgres:root@localhost:5432/rooftop?schema=public"
+DATABASE_URL="postgresql://user:pass@localhost:5432/rooftop?schema=public"
 JWT_SECRET="secret_key"

Dockerfile

@@ -1,26 +1,54 @@
-FROM node:18
+# syntax=docker/dockerfile:1
 
+# ---- Build stage ----
+ARG NODE_VERSION=20
+FROM node:${NODE_VERSION}-slim AS builder
 WORKDIR /app
+
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# Build-time public env hook
+ARG NEXT_PUBLIC_FASTAPI_URL
+ENV NEXT_PUBLIC_FASTAPI_URL=${NEXT_PUBLIC_FASTAPI_URL}
+
+# 1) Install deps with caching
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+# 2) Copy source
 COPY . .
 
-# Accept build-time arguments
+# 3) Generate Prisma client (safe no-op if unused)
-ARG FASTAPI_URL
+RUN npx prisma generate || true
-ARG INTERNAL_API_BASE_URL
-ARG DATABASE_URL
-ARG JWT_SECRET
 
-# Assign them to environment variables inside the image
+# 4) Build Next.js (requires next.config.js => output: 'standalone')
-ENV FASTAPI_URL=$FASTAPI_URL
-ENV INTERNAL_API_BASE_URL=$INTERNAL_API_BASE_URL
-ENV DATABASE_URL=$DATABASE_URL
-ENV JWT_SECRET=$JWT_SECRET
-
-RUN npm install --force
-
-# Build Next.js app
-RUN npx prisma generate
 RUN npm run build
 
+# ---- Runtime stage ----
+FROM node:${NODE_VERSION}-slim AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production \
+    NEXT_TELEMETRY_DISABLED=1 \
+    HOSTNAME=0.0.0.0 \
+    PORT=3005
+
+# Minimal server & assets
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/prisma ./prisma
+
+# Optional (only if Prisma engine errors show up):
+# COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+# COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
+
+USER node
 EXPOSE 3005
 
-CMD ["npm", "start"]
+# (Optional) healthcheck
+# HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+#   CMD node -e "require('http').get('http://127.0.0.1:'+(process.env.PORT||3005)+'/_next/static/webpack/')"
+
+CMD ["node", "server.js"]
+

next.config.js

@@ -1,5 +1,6 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
+    output: 'standalone',
     reactStrictMode: false,
     swcMinify: true,
     eslint: {