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56 lines
2.2 KiB
Markdown
56 lines
2.2 KiB
Markdown
---
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title: Remote Host Setup
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---
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# Remote Host Setup
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Dozzle supports connecting to multiple remote hosts via `tcp://` using TLS and non-secured connections. Dozzle will need to have appropriate certs mounted to use secured connection. `ssh://` is not supported because Dozzle docker image does not ship with any ssh clients.
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## Connecting to remote hosts
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Remote hosts can be configured with `--remote-host` or `DOZZLE_REMOTE_HOST`. All certs must be mounted to `/certs` directory. The `/cert` directory expects to have `/certs/{ca,cert,key}.pem` or `/certs/{host}/{ca,cert,key}.pem` in case of multiple hosts.
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Multiple `--remote-host` flags can be used to specify multiple hosts. However, using `DOZZLE_REMOTE_HOST` the value should be comma separated.
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::: code-group
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```sh [cli]
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$ docker run -v /var/run/docker.sock:/var/run/docker.sock -v /path/to/certs:/certs -p 8080:8080 amir20/dozzle --remote-host tcp://167.99.1.1:2376 --remote-host tcp://167.99.1.2:2376
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```
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```yaml [docker-compose.yml]
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version: "3"
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services:
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dozzle:
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image: amir20/dozzle:latest
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volumes:
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- /var/run/docker.sock:/var/run/docker.sock
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- /path/to/certs:/certs
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ports:
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- 8080:8080
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environment:
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DOZZLE_REMOTE_HOST: tcp://167.99.1.1:2376,tcp://167.99.1.2:2376
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```
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:::
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## Connecting with a socket proxy
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If you are in a private network then you can use [Docker Socket Proxy](https://github.com/Tecnativa/docker-socket-proxy) which expose `docker.sock` file without the need of TLS. Dozzle will never try to write to Docker but it will need access to list APIs. The following command will start a proxy with minimal access.
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```sh
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docker container run --privileged -e CONTAINERS=1 -v /var/run/docker.sock:/var/run/docker.sock -p 2375:2375 tecnativa/docker-socket-proxy
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```
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Note that `CONTAINERS=1` is required to list running containers. `EVENTS` is also needed but it is enabled by default.
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Running Dozzle without any certs should work. Here is an example:
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```sh
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docker run --volume=/var/run/docker.sock:/var/run/docker.sock -p 8080:8080 amir20/dozzle --remote-host tcp://123.1.1.1:2375
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```
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::: warning
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Exposing `docker.sock` publicly is not safe. Only use a proxy for an internal network where all clients are trusted.
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:::
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