# Riksdag-Regering MCP Server - Dockerfile
# Multi-stage build for optimal image size and security

# Stage 1: Build
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install ALL dependencies (including devDependencies for build)
RUN npm ci && \
    npm cache clean --force

# Copy source code
COPY . .

# Build TypeScript
RUN npm run build

# Stage 2: Production
FROM node:20-alpine

# Set production environment
ENV NODE_ENV=production

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

WORKDIR /app

# Copy built files and dependencies from builder
COPY --from=builder --chown=nodejs:nodejs /app/dist ./dist
COPY --from=builder --chown=nodejs:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nodejs:nodejs /app/package*.json ./
COPY --from=builder --chown=nodejs:nodejs /app/public ./public

# Switch to non-root user
USER nodejs

# Expose port (Render uses PORT env variable)
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start the server
CMD ["node", "dist/server.js"]