Gateway exit 0 after Docker Reboot

Hiho,

feedback ahead.
Im running into
Gateway exit 0 after Docker Reboot while my Proxmox Host Backups.


Greetings and thanks :)

```
Gateway log:
docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
/docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
192.168.2.125 - - [30/Jun/2025:14:29:15 +0000] "GET /notification-channels/be1fe6d9-7162-4b9b-afce-dda18dfb57cf/edit HTTP/1.1" 200 492 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36"
```

```
networks:
appnet:

services:
migrate:
image: 0xfurai/peekaping-migrate:latest
restart: "no"
env_file:
- stack.env
environment:
- DB_TYPE=sqlite
- DB_NAME=/app/data/peekaping.db
volumes:
- /volume1/docker/peekaping/data/sqlite:/app/data

server:
image: 0xfurai/peekaping-server:latest
restart: unless-stopped
env_file:
- stack.env
environment:
- DB_TYPE=sqlite
- DB_NAME=/app/data/peekaping.db
- MODE=prod
volumes:
- /volume1/docker/peekaping/data/sqlite:/app/data
depends_on:
migrate:
condition: service_completed_successfully
networks:
- appnet

web:
image: 0xfurai/peekaping-web:latest
depends_on:
- server
restart: unless-stopped
networks:
- appnet

gateway:
image: nginx:latest
ports:
- "8383:80"
volumes:
- /volume1/docker/peekaping/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
depends_on:
- server
- web
networks:
- appnet

```

```
events {}
http {
upstream server { server server:8034; }
upstream web { server web:80; }

server {
listen 80;

# Pure API calls
location /api/ {
proxy_pass http://server;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}

# socket.io
location /socket.io/ {
proxy_pass http://server;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}

# Everything else → static SPA
location / {
proxy_pass http://web;
}
}
}
```

The issue reports the gateway container exiting after a Docker reboot during Proxmox host backups. Examine the provided docker-compose snippet and nginx configuration. Start by checking the gateway service logs for errors around the exit time, and verify the nginx.conf file for any misconfigurations. Look at the host's resource usage during backups and test the container restart behavior.

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