# Stage 1: Build the Next.js application
FROM node:20-alpine AS builder
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies
COPY frontend/package.json frontend/package-lock.json ./
RUN npm install

# Copy source files and build the Next.js application
COPY frontend ./
RUN npm run build

# Install PM2 globally
RUN npm install -g pm2

# Stage 2: Serve the Next.js application using PM2 and Nginx
FROM bitnami/nginx:1.26.1

# Copy custom Nginx configuration
COPY nginx.conf /opt/bitnami/nginx/conf/nginx.conf

# Copy the Next.js build from the builder stage
COPY --from=builder /app /app

WORKDIR /app

# Expose the necessary port
EXPOSE 7860

# Start Next.js with PM2
CMD ["pm2-runtime", "start", "npm", "--", "start"]