Dockerfile

# Use Node.js 18 Alpine for smaller image size
FROM node:18-alpine

# Install curl for health checks
RUN apk add --no-cache curl

# Set working directory
WORKDIR /app

# Copy package files for the entire project
COPY package*.json ./

# Install root-level dependencies
RUN npm ci

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

# Install backend dependencies
WORKDIR /app/backend
RUN npm ci

# Install Prisma CLI globally to ensure it's available
RUN npm install -g prisma

# Copy backend source code
COPY backend/ ./

# Generate Prisma client with dummy DATABASE_URL for build
ENV DATABASE_URL="postgresql://dummy:dummy@localhost:5432/dummy"
RUN prisma generate --generator client

# Install ts-node for production runtime
RUN npm install -g ts-node tsconfig-paths

# Remove the dummy DATABASE_URL
ENV DATABASE_URL=""

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

# Change ownership to the nodejs user
RUN chown -R backend:nodejs /app
USER backend

# Expose port (Render automatically assigns PORT env var)
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:${PORT:-5000}/health || exit 1

# Start the application with ts-node
CMD ["ts-node", "-r", "tsconfig-paths/register", "server.ts"]