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106 lines
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6.1 KiB
Markdown
106 lines
No EOL
6.1 KiB
Markdown
# WGDashboard Docker Explanation:
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Author: DaanSelen<br>
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This document delves into how the WGDashboard Docker container has been built.<br>
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Of course there are two stages, one before run-time and one at/after run-time.<br>
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The `Dockerfile` describes how the container image is made, and the `entrypoint.sh` is executed after running the container. <br>
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In this example, WireGuard is integrated into the container itself, so it should be a run-and-go/out-of-the-box.<br>
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For more details on the source-code specific to this Docker image, refer to the source files, they have lots of comments.
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I have tried to embed some new features such as `isolate` and interface startup on container-start (through `enable`). I hope you enjoy!
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<img src="https://raw.githubusercontent.com/donaldzou/WGDashboard/main/src/static/img/logo.png" alt="WG-Dashboard Logo" title="WG-Dashboard Logo" width="150" height="150" />
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## Getting the container running:
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To get the container running you either pull the image from the repository, `dselen/wgdashboard:latest`.<br>
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From there either use the environment variables describe below as parameters or use the Docker Compose file: `compose.yaml`.<br>
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Be careful, the default generated WireGuard configuration file uses port 51820/udp. So use this port if you want to use it out of the box.<br>
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Otherwise edit the configuration file in `/etc/wireguard/wg0.conf`.
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An example of a simple command to get the container running is show below:<br>
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```shell
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docker run -d \
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--name wireguard-dashboard \
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--restart unless-stopped \
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-e enable=wg0 \
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-e isolate=wg0 \
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-p 10086:10086/tcp \
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-p 51820:51820/udp \
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--cap-add NET_ADMIN \
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dselen/wgdashboard:latest
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```
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<br>
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If you want to use Compose instead of a raw Docker command, refer to the example in the `compose.yaml` or the one pasted below:
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<br><br>
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```yaml
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services:
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wireguard-dashboard:
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image: dselen/wgdashboard:latest
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restart: unless-stopped
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container_name: wire-dash
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environment:
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#- tz=
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#- global_dns=
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- enable=none
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- isolate=wg0
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#- public_ip=
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ports:
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- 10086:10086/tcp
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- 51820:51820/udp
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volumes:
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- conf:/etc/wireguard
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- app:/opt/wireguarddashboard/app
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cap_add:
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- NET_ADMIN
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volumes:
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conf:
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app:
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```
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If you want to customize the yaml, make sure the core stays the same, but for example volume PATHs can be freely changed.<br>
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This setup is just generic and will use the Docker volumes.
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## Working with the container and environment variables:
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Once the container is running, the installation process is essentially the same as running it on bare-metal.<br>
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So go to the assign TCP port in this case HTTP, like the default 10086 one in the example and log into the WEB-GUI.<br>
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| Environment variable | Accepted arguments | Default value | Example value | Verbose |
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| -------------- | ------- | ------- | ------- | ------- |
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| tz | Europe/Amsterdam or any confirming timezone notation. | `Europe/Amsterdam` | `America/New_York` | Sets the timezone of the Docker container. This is to timesync the container to any other processes which would need it. |
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| global_dns | Any IPv4 address, such as my personal recommendation: 9.9.9.9 (QUAD9). | `1.1.1.1` | `8.8.8.8` or any IP-Address that resolves DNS-names, and of course is reachable | Set the default DNS given to clients once they connect to the WireGuard tunnel, and for new peers, set to Cloudflare DNS for reliability.
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| enable | Anything, preferably an existing WireGuard interface name. | `none` | `wg0,wg2,wg13` | Enables or disables the starting of the WireGuard interface on container 'boot-up'.
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| isolate | Anything, preferably an existing WireGuard interface name. | `wg0` | `wg1,wg0` | For security premade `wg0` interface comes with this feature enabled by default. Declaring `isolate=none` in the Docker Compose file will remove this. The WireGuard interface itself IS able to reach the peers (Done through the `iptables` package).
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| public_ip | Any IPv4 (public recommended) address, such as the one returned by default | Default uses the return of `curl ifconfig.me` | `23.50.131.156` | To reach your VPN from outside your own network, you need WG-Dashboard to know what your public IP-address is, otherwise it will generate faulty config files for clients. This happends because it is inside a Docker/Kubernetes container. In or outside of NAT is not relevant as long as the given IP-address is reachable from the internet or the target network.
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## Be careful with:
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When you are going to work with multiple WireGuard interfaces, you need to also open them up to the Docker host. This done by either adding the port mappings like: `51821:51821/udp` in the Docker Compose file, or to open a range like: `51820-51830:51820-51830/udp`<br>
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The latter opens up UDP ports from 51820 to 51830, so all ports in between as well! Be careful, it is good security practise to open only needed ports!
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## Building the image yourself:
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To build the image yourself, you need to do a couple things:<br>
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1. Clone the Github repository containing the source code of WGDashboard including the docker directory. For example do: `git clone https://github.com/donaldzou/WGDashboard.git`
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1. Navigate into the docker directory.
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1. (Make sure you have Docker correctly installed, if not: [Click here](https://docs.docker.com/engine/install/)) and run: `docker build . -t <Image name>:<Image tag>` as an example: `docker build . -t dselen/wgdashboard:latest`.<br>This will make Docker compile the image from the resources in the directory you mention, in this case the current one. Let it compile, it takes about a minute or maximally two.
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1. If all went well, see your image with `docker images`. Example below:
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```shell
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dselen@dev-mach:~/development/WGDashboard/docker$ docker images
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REPOSITORY TAG IMAGE ID CREATED SIZE
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dselen/wgdashboard latest c96fd96ee3b3 42 minutes ago 314MB
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```
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## Closing remarks:
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For feedback please submit an issue to the repository. Or message dselen@nerthus.nl.
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## In Progress:
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Auto-Updating Capabilities, together with Donald I am working on it. |