| # Simple Remix app Dockerfile | |
| FROM node:20-alpine | |
| # Install basic dependencies | |
| RUN apk add --no-cache curl tini | |
| WORKDIR /app | |
| # Create non-root user for security | |
| RUN addgroup -g 1001 -S nodejs && \ | |
| adduser -S remix -u 1001 | |
| # Copy package files | |
| COPY package*.json ./ | |
| # Install ALL dependencies (needed for build) | |
| RUN npm ci && npm cache clean --force | |
| # Copy application code | |
| COPY --chown=remix:nodejs . . | |
| # Build the Remix app | |
| RUN npm run build | |
| # Remove dev dependencies after build | |
| RUN npm prune --production && npm cache clean --force | |
| # Switch to non-root user | |
| USER remix | |
| # Expose port 3000 | |
| EXPOSE 3000 | |
| # Health check | |
| HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \ | |
| CMD curl -f http://localhost:3000 || exit 1 | |
| # Use tini for proper signal handling | |
| ENTRYPOINT ["/sbin/tini", "--"] | |
| # Start the application | |
| CMD ["npm", "start"] |