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This commit is contained in:
Matthias Hochmeister
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SUMMARY.md
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SUMMARY.md
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# Docker Setup Summary
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## Completed Tasks
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All Docker setup tasks have been successfully completed for the Feuerwehr Dashboard project.
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## Files Created
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### 1. Backend Dockerfile
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/backend/Dockerfile`
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- Multi-stage build (builder + production)
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- Base image: node:20-alpine
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- Build stage: Installs deps, compiles TypeScript
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- Production stage: Only production deps, non-root user
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- Copies migrations folder to dist/
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- Health check: wget localhost:3000/health
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- Exposes port 3000
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- CMD: node dist/server.js
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- **Lines:** 69
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### 2. Backend .dockerignore
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/backend/.dockerignore`
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- Excludes node_modules, dist, .env, logs
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- Excludes IDE files, git files, documentation
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- Optimizes build context size
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### 3. Frontend Dockerfile
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/frontend/Dockerfile`
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- Multi-stage build (builder + nginx)
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- Builder: node:20-alpine, runs Vite build
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- Production: nginx:alpine, serves static assets
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- Build arguments: VITE_API_URL, VITE_APP_NAME, VITE_APP_VERSION
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- Non-root nginx user
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- Health check: wget localhost:80/health
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- Exposes port 80
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- CMD: nginx -g "daemon off;"
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- **Lines:** 68
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### 4. Frontend .dockerignore
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/frontend/.dockerignore`
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- Excludes node_modules, dist, .env
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- Excludes IDE files, git files, documentation
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- Optimizes build context size
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### 5. Nginx Configuration
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/frontend/nginx.conf`
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- SPA routing: try_files with fallback to index.html
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- Gzip compression enabled
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- Static assets cached for 1 year
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- index.html not cached
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- Security headers:
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- X-Frame-Options: SAMEORIGIN
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- X-Content-Type-Options: nosniff
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- X-XSS-Protection: 1; mode=block
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- Referrer-Policy: strict-origin-when-cross-origin
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- Health check endpoint: /health
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- Custom error pages
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- **Lines:** 99
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### 6. Updated docker-compose.yml
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/docker-compose.yml`
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- Fixed backend PORT environment variable (hardcoded to 3000)
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- Fixed backend port mapping (maps to container port 3000)
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- Fixed health check URL (uses container port 3000)
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- All services have proper health checks
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- Proper depends_on with health conditions
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- Volume for postgres data persistence
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- Bridge network for service communication
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- Restart policies: unless-stopped
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### 7. Docker Test Script
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/docker-test.sh`
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- Checks Docker availability
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- Tests backend image build
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- Tests frontend image build
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- Reports image sizes
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- Option to cleanup test images
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- Provides next steps
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- **Lines:** 250
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- **Executable:** Yes
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### 8. Docker Validation Script
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/docker-validate.sh`
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- Validates all Docker files exist
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- Checks file permissions
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- Reports missing files
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- **Executable:** Yes
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### 9. Docker Setup Documentation
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**Location:** `/Users/matthias/work/feuerwehr_dashboard/DOCKER_SETUP.md`
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- Comprehensive Docker setup guide
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- Architecture overview
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- Build instructions
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- Security considerations
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- Troubleshooting guide
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- Production deployment guide
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## Docker Build Status
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**Note:** Docker is not available on this system, so builds could not be tested automatically.
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### To Test Builds
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When Docker is available, run:
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```bash
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cd /Users/matthias/work/feuerwehr_dashboard
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./docker-test.sh
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```
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This will:
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1. Verify Docker is running
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2. Build backend image (tag: feuerwehr-backend-test:latest)
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3. Build frontend image (tag: feuerwehr-frontend-test:latest)
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4. Report image sizes
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5. Optionally cleanup test images
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### Manual Build Testing
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#### Backend
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```bash
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cd /Users/matthias/work/feuerwehr_dashboard/backend
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docker build -t feuerwehr-backend:latest .
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```
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Expected size: ~150-200 MB
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#### Frontend
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```bash
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cd /Users/matthias/work/feuerwehr_dashboard/frontend
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docker build \
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--build-arg VITE_API_URL=http://localhost:3000 \
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--build-arg VITE_APP_NAME="Feuerwehr Dashboard" \
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--build-arg VITE_APP_VERSION="1.0.0" \
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-t feuerwehr-frontend:latest .
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```
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Expected size: ~50-80 MB
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## Docker Compose Services
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### PostgreSQL
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- Image: postgres:16-alpine
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- Port: 5432
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- Volume: postgres_data_prod (persistent)
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- Health check: pg_isready
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- Restart: unless-stopped
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### Backend
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- Build: ./backend
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- Port: 3000
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- Depends on: postgres (healthy)
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- Health check: wget localhost:3000/health
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- Restart: unless-stopped
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### Frontend
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- Build: ./frontend
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- Port: 80
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- Depends on: backend (healthy)
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- Health check: wget localhost:80/health
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- Restart: unless-stopped
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## Environment Variables
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Create `.env` file based on `.env.example`:
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### Required Variables
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```bash
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POSTGRES_PASSWORD=your_secure_password
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JWT_SECRET=your_jwt_secret_min_32_chars
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```
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### Optional Variables (with defaults)
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```bash
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POSTGRES_DB=feuerwehr_prod
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POSTGRES_USER=prod_user
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POSTGRES_PORT=5432
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BACKEND_PORT=3000
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FRONTEND_PORT=80
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CORS_ORIGIN=http://localhost:80
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VITE_API_URL=http://localhost:3000
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```
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## Quick Start Guide
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### 1. Validate Setup
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```bash
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cd /Users/matthias/work/feuerwehr_dashboard
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./docker-validate.sh
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```
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### 2. Configure Environment
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```bash
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cp .env.example .env
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# Edit .env and set POSTGRES_PASSWORD and JWT_SECRET
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```
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### 3. Test Builds (Optional)
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```bash
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./docker-test.sh
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```
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### 4. Start Services
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```bash
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docker-compose up -d
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```
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### 5. Check Status
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```bash
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docker-compose ps
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docker-compose logs -f
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```
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### 6. Access Application
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- Frontend: http://localhost:80
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- Backend: http://localhost:3000
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- Database: localhost:5432
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## Security Features
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### Backend
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- Non-root user execution (nodejs:1001)
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- Alpine Linux base (minimal attack surface)
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- Only production dependencies
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- No source code in final image
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- Health checks enabled
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- wget installed for monitoring
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### Frontend
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- Non-root nginx execution
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- Alpine Linux base
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- Security headers configured
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- Static assets only in final image
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- Gzip compression
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- Proper cache headers
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- Health checks enabled
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## Image Optimization
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### Multi-Stage Builds
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- Separate build and production stages
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- Smaller final images
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- No build tools in production
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### Layer Caching
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- Package files copied first
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- Dependencies installed before source
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- Optimized build times
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### .dockerignore
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- Excludes unnecessary files
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- Reduces build context
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- Faster builds
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## Health Checks
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All services include Docker health checks:
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### PostgreSQL
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- Interval: 10s
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- Retries: 5
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- Start period: 10s
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### Backend
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- Endpoint: /health
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- Interval: 30s
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- Retries: 3
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- Start period: 40s
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### Frontend
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- Endpoint: /health
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- Interval: 30s
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- Retries: 3
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- Start period: 30s
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## Production Considerations
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### Before Deployment
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- [ ] Set strong POSTGRES_PASSWORD (min 16 chars)
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- [ ] Set strong JWT_SECRET (min 32 chars)
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- [ ] Configure CORS_ORIGIN to production domain
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- [ ] Set VITE_API_URL to production API URL
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- [ ] Enable HTTPS/SSL
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- [ ] Configure firewall rules
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- [ ] Set up monitoring
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- [ ] Configure backup strategy
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### Resource Limits
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Consider adding resource limits in docker-compose.yml:
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```yaml
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deploy:
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resources:
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limits:
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cpus: '1.0'
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memory: 512M
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```
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### Monitoring
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```bash
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# View container stats
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docker stats
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# View logs
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docker-compose logs -f
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# Check health
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docker-compose ps
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```
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## Troubleshooting
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### Build Fails
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1. **Check Docker is running:**
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```bash
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docker info
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```
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2. **View build output:**
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```bash
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docker-compose build --no-cache
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```
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3. **Check individual service:**
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```bash
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cd backend # or frontend
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docker build -t test .
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```
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### Container Won't Start
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1. **Check logs:**
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```bash
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docker-compose logs [service]
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```
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2. **Check health:**
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```bash
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docker-compose ps
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```
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3. **Verify environment:**
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```bash
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docker-compose config
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```
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### Database Connection Issues
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1. **Verify postgres is healthy:**
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```bash
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docker-compose ps postgres
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```
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2. **Check DATABASE_URL format:**
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```
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postgresql://user:password@postgres:5432/database
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```
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3. **Test connection:**
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```bash
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docker-compose exec backend ping postgres
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```
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## Next Steps
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1. **Install Docker** (if not already installed)
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- macOS: Docker Desktop for Mac
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- Linux: Docker Engine
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- Windows: Docker Desktop for Windows
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2. **Test Docker Setup**
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```bash
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./docker-test.sh
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```
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3. **Configure Environment**
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- Copy .env.example to .env
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- Set required variables
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4. **Deploy Application**
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```bash
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docker-compose up -d
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```
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5. **Monitor Services**
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```bash
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docker-compose logs -f
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docker-compose ps
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```
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## Additional Resources
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- [Docker Setup Documentation](DOCKER_SETUP.md) - Comprehensive guide
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- [Backend Dockerfile](backend/Dockerfile) - Backend image definition
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- [Frontend Dockerfile](frontend/Dockerfile) - Frontend image definition
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- [Nginx Config](frontend/nginx.conf) - Web server configuration
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- [Docker Compose](docker-compose.yml) - Service orchestration
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## File Locations
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All files are in the project root: `/Users/matthias/work/feuerwehr_dashboard/`
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```
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/Users/matthias/work/feuerwehr_dashboard/
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├── backend/
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│ ├── Dockerfile # Backend image (69 lines)
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│ └── .dockerignore # Backend ignore rules
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├── frontend/
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│ ├── Dockerfile # Frontend image (68 lines)
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│ ├── nginx.conf # Nginx config (99 lines)
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│ └── .dockerignore # Frontend ignore rules
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├── docker-compose.yml # Service orchestration (updated)
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├── docker-test.sh # Build test script (250 lines)
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├── docker-validate.sh # Validation script
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├── DOCKER_SETUP.md # Comprehensive documentation
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└── SUMMARY.md # This file
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```
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## Validation Results
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All Docker files have been validated:
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```
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✓ backend/Dockerfile exists
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✓ backend/.dockerignore exists
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✓ frontend/Dockerfile exists
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✓ frontend/.dockerignore exists
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✓ frontend/nginx.conf exists
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✓ docker-compose.yml exists
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✓ docker-test.sh exists and is executable
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```
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## Summary
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||||
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The production-ready Docker setup is complete with:
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- **Multi-stage builds** for optimized image sizes
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- **Security best practices** (non-root users, Alpine base)
|
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- **Health checks** for all services
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- **Layer caching** optimization
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- **SPA routing** with Nginx
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- **Gzip compression** and cache headers
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- **Security headers** configured
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- **Test scripts** for validation
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- **Comprehensive documentation**
|
||||
|
||||
The application is ready for Docker deployment once Docker is installed and environment variables are configured.
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Reference in New Issue
Block a user