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docs: advanced setup instructions for client-side reverse proxy

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Ferdinand Mütsch 2020-12-11 22:58:07 +01:00
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7
README.md
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@ -75,8 +75,7 @@ You can specify configuration options either via a config file (default: `config
| `server.base_path` | `WAKAPI_BASE_PATH` | `/` | Web base path (change when running behind a proxy under a sub-path) |
| `security.password_salt` | `WAKAPI_PASSWORD_SALT` | - | Pepper to use for password hashing |
| `security.insecure_cookies` | `WAKAPI_INSECURE_COOKIES` | `false` | Whether or not to allow cookies over HTTP |
| `security.cookie_max_age` | `WAKAPI_COOKIE_MAX_AGE ` | `172800` | Lifetime of authentication cookies in seconds or `0` to use [Session](https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#Define_the_lifetime_of_a_cookie) cookies
|
| `security.cookie_max_age` | `WAKAPI_COOKIE_MAX_AGE ` | `172800` | Lifetime of authentication cookies in seconds or `0` to use [Session](https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#Define_the_lifetime_of_a_cookie) cookies |
| `db.host` | `WAKAPI_DB_HOST` | - | Database host |
| `db.port` | `WAKAPI_DB_PORT` | - | Database port |
| `db.user` | `WAKAPI_DB_USER` | - | Database user |
@ -98,6 +97,10 @@ api_key = the_api_key_printed_to_the_console_after_starting_the_server`
You can view your API Key after logging in to the web interface.
### Optional: Client-side proxy
See the [advanced setup instructions](docs/advanced_setup.md).
## 🔵 Customization
### Aliases

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docs/advanced_setup.md Normal file
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# Advanced Setup
## Optional: Client-side proxy
Most Wakatime plugins work in a way that, for every heartbeat to send, the plugin calls your local [wakatime-cli](https://github.com/wakatime/wakatime) (a small Python program that is automatically installed when installing a Wakatime plugin) with a few command-line arguments, which is then run as a new process. Inside that process, a heartbeat request is forged and sent to the backend API – Wakapi in this case.
While this is convenient for plugin developers, as they do not have to deal with sending HTTP requests, etc., it comes with a minor drawback. Because the CLI process shuts down after each request, its TCP connection is closed as well. Accordingly, **TCP connections cannot be re-used** and every single heartbeat request is inevitably preceded by the `SYN` + `SYN ACK` + `ACK` sequence for establishing a new TCP connection as well as a handshake for establishing a new TLS session.
While this certainly does not hurt, it is still a bit of overhead. You can avoid that by setting up a local reverse proxy on your machine, that keeps running as a daemon and can therefore keep a continuous connection.
In this example, [Caddy](https://caddyserver.com) is used as an easy-to-set-up webserver / reverse proxy.
1. [Install Caddy](https://caddyserver.com/)
* When installing manually, don't forget to set up a systemd service to start Caddy on system startup
1. Create a Caddyfile
```
# /etc/caddy/Caddyfile
http://localhost:8070 {
reverse_proxy * {
to https://wakapi.dev # <-- substitute your own Wakapi host here
header_up Host {http.reverse_proxy.upstream.host}
header_down -Server
}
}
```
1. Restart Caddy
1. Verify that you can access [`http://localhost:8070/api/health`](http://localhost:8070/api/health)
1. Update `~/.wakatime.cfg`
* Set `api_url = http://localhost:8070/api/heartbeat`
1. Done