init: Postgres + pgAdmin + WAL-G compose snapshot

.env.example

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+POSTGRES_PASSWORD=<strong-password>
+PGADMIN_DEFAULT_EMAIL=fkrebs@nucli.de
+PGADMIN_DEFAULT_PASSWORD=<password>
+WAL_G_S3_PREFIX=s3://homelab-backups/wal-g/db

.gitignore

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+.env
+.env.*
+!.env.example
+data/

README.md

@@ -1,3 +1,7 @@
 # ct113-db
 
-Shared Postgres + pgAdmin compose (CT 113)
+Shared Postgres 17 + pgAdmin + WAL-G compose for CT 113 (192.168.1.6).
+
+Auto-synced daily at 03:15 from CT 113.
+
+Stack: `/opt/stacks/db/`

docker-compose.yml

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+services:
+  postgres:
+    image: postgres:17
+    container_name: postgres
+    restart: unless-stopped
+    shm_size: "256mb"
+    volumes:
+      - ./data:/var/lib/postgresql/data
+      - ./wal-g/wal-g:/usr/local/bin/wal-g:ro
+    environment:
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      PGUSER: postgres
+      PGHOST: /var/run/postgresql
+      PGPORT: "5432"
+      WALG_S3_PREFIX: s3://ct113-pg-backup/
+      AWS_ENDPOINT: http://192.168.1.40:10004
+      AWS_ACCESS_KEY_ID: ${WALG_S3_ACCESS_KEY}
+      AWS_SECRET_ACCESS_KEY: ${WALG_S3_SECRET_KEY}
+      AWS_REGION: us-east-1
+      AWS_S3_FORCE_PATH_STYLE: "true"
+    ports:
+      - "192.168.1.6:5432:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    deploy:
+      resources:
+        limits:
+          cpus: "2.0"
+          memory: 1G
+
+  arcane-agent:
+    image: ghcr.io/getarcaneapp/arcane-headless:latest
+    container_name: arcane-agent
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./arcane-agent:/app/data
+    environment:
+      EDGE_AGENT: "true"
+      EDGE_TRANSPORT: poll
+      AGENT_TOKEN: ${ARCANE_AGENT_TOKEN}
+      MANAGER_API_URL: http://192.168.1.8:10002
+    deploy:
+      resources:
+        limits:
+          cpus: "0.5"
+          memory: 256M
+
+  pgadmin:
+    image: dpage/pgadmin4:latest
+    container_name: pgadmin
+    restart: unless-stopped
+    ports:
+      - "5050:80"
+    volumes:
+      - ./pgadmin:/var/lib/pgadmin
+      - ./pgadmin-servers.json:/pgadmin4/servers.json:ro
+    environment:
+      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_EMAIL}
+      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_PASSWORD}
+      PGADMIN_CONFIG_SERVER_MODE: "False"
+      PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED: "False"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    deploy:
+      resources:
+        limits:
+          cpus: "0.5"
+          memory: 512M
+
+  dozzle-agent:
+    image: amir20/dozzle:latest
+    container_name: dozzle-agent
+    command: agent
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    ports:
+      - '7007:7007'
+    deploy:
+      resources:
+        limits:
+          cpus: '0.25'
+          memory: 64M

pgadmin-servers.json

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+{
+  "Servers": {
+    "1": {
+      "Name": "CT113 postgres",
+      "Group": "nuclide",
+      "Host": "postgres",
+      "Port": 5432,
+      "MaintenanceDB": "postgres",
+      "Username": "postgres",
+      "SSLMode": "prefer"
+    }
+  }
+}