feat: ajout du service olhar-api

Docker Compose calqué sur bonsai-api : PostgreSQL 16 + Spring Boot exposé
sur olhar.goutailler-olivier.com/api via Traefik, avec Watchtower activé.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

olhar-api/docker-compose.yml

@@ -0,0 +1,54 @@
+name: olhar-api-stack
+
+services:
+  db:
+    image: postgres:16-alpine
+    container_name: olhar-api-db
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: olhar
+      POSTGRES_USER: olhar
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      TZ: Europe/Paris
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U olhar -d olhar"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    volumes:
+      - ~/Applications/data/olhar-api/db_data:/var/lib/postgresql/data
+    networks:
+      - olhar-api-net
+
+  api:
+    image: git.goutailler-olivier.com/gato/olhar-api:latest
+    container_name: olhar-api
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      DATASOURCE_URL: jdbc:postgresql://db:5432/olhar
+      DATASOURCE_USERNAME: olhar
+      DATASOURCE_PASSWORD: ${POSTGRES_PASSWORD}
+      KEYCLOAK_JWKS_URI: https://auth.goutailler-olivier.com/realms/olhar/protocol/openid-connect/certs
+      CORS_ALLOWED_ORIGIN_PROD: https://olhar.goutailler-olivier.com
+      TZ: Europe/Paris
+    networks:
+      - olhar-api-net
+      - proxy
+    labels:
+      - traefik.enable=true
+      - traefik.http.routers.olhar-api.rule=Host(`olhar.goutailler-olivier.com`) && PathPrefix(`/api`)
+      - traefik.http.routers.olhar-api.entrypoints=websecure
+      - traefik.http.routers.olhar-api.tls.certresolver=le
+      - traefik.http.services.olhar-api.loadbalancer.server.port=8080
+      - traefik.docker.network=proxy
+      - com.centurylinklabs.watchtower.enable=true
+
+networks:
+  olhar-api-net:
+    driver: bridge
+  proxy:
+    external: true
+    name: proxy