sync: migrate konturai-mongodb to Gitea (2026-08-10)

.gitignore

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+.env
+!.env.example

docker-compose.yml

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+name: konturai-mongodb
+
+services:
+  mongodb:
+    image: mongo:8.2.7
+    container_name: my-mongodb
+    restart: unless-stopped
+    env_file:
+      - .env
+    ports:
+      - "127.0.0.1:27017:27017"
+    volumes:
+      - mongodb_data:/data/db
+    networks:
+      common_network:
+        aliases:
+          - mongodb
+    healthcheck:
+      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 20s
+
+volumes:
+  mongodb_data:
+    name: mongodb_data
+
+networks:
+  common_network:
+    external: true