initial postgis db

.env.example

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+GEODB_USER=xxx
+GEODB_PW=xxx
+GEODB_NAME=xxx

.gitignore

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+.env

docker-compose.yml

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+services:
+  geo-db-postgis:
+    image: postgis/postgis:15-3.3
+    container_name: geo-db-postgis
+    environment:
+      POSTGRES_USER: ${GEODB_USER}
+      POSTGRES_PASSWORD: ${GEODB_PW}
+      POSTGRES_DB: ${GEODB_NAME}
+    ports:
+      - "5432:5432"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    networks:
+      - backend
+
+volumes:
+  pgdata:
+    driver: local
+
+networks:
+  backend:
+    driver: bridge
+    external: true