Dockerfile

# Stage 1: Build
FROM node:22-alpine AS builder

# Check for pnpm-lock.yaml and use it
WORKDIR /app

# Install pnpm
RUN npm install -g pnpm

# Copy package management files
COPY package.json pnpm-lock.yaml ./

# Install dependencies (frozen-lockfile for consistency)
RUN pnpm install --frozen-lockfile

# Copy source code and build
COPY . .
RUN pnpm run build

# Stage 2: Production
FROM node:22-alpine AS runner

WORKDIR /app

# Install pnpm
RUN npm install -g pnpm

# Copy only production dependencies
COPY package.json pnpm-lock.yaml ./
RUN pnpm install --prod --frozen-lockfile

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist

# Environment variables
ENV NODE_ENV=production
ENV PORT=3001

# Expose the application port
EXPOSE 3001

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
  CMD wget --quiet --tries=1 --no-check-certificate http://localhost:3001/health -O /dev/null || exit 1

# Command to run the application
CMD ["node", "dist/main.js"]