# Dockerfile

FROM node:22-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./

# Install all dependencies (including devDependencies for build)
RUN npm ci

# Copy source code
COPY src ./src

# Build TypeScript to JavaScript
RUN npm run build

# =====================================
# Production Image
# =====================================
FROM node:22-alpine

WORKDIR /app

# Install PM2 globally
RUN npm install -g pm2

# Copy package files
COPY package*.json ./

# Install only production dependencies
RUN npm ci --only=production

# Copy compiled JavaScript from builder
COPY --from=builder /app/dist ./dist

# Create logs and uploads directories
RUN mkdir -p logs uploads

# Create non-root user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nodejs -u 1001

# Change ownership of the app directory
RUN chown -R nodejs:nodejs /app
USER nodejs

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:5000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start with PM2
CMD ["pm2-runtime", "start", "dist/server.js", "--name", "re-workflow-api"]