Initial Real-ESRGAN API project setup

docker-compose.prod.yml

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+services:
+  api:
+    image: gitea.example.com/your-org/realesrgan-api:latest
+    ports:
+      - "8000:8000"
+    volumes:
+      - uploads:/data/uploads
+      - outputs:/data/outputs
+      - models:/data/models
+      - temp:/data/temp
+      - jobs:/data/jobs
+    environment:
+      - RSR_EXECUTION_PROVIDERS=["cuda"]
+      - RSR_EXECUTION_THREAD_COUNT=8
+      - RSR_TILE_SIZE=400
+      - RSR_LOG_LEVEL=info
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: 1
+              capabilities: [gpu]
+    restart: always
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000/api/v1/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+volumes:
+  uploads:
+  outputs:
+  models:
+  temp:
+  jobs: