docs: deployment and configuration for redis

docs/CONFIGURATION.md

@@ -29,10 +29,17 @@ you will be overriding the values set in the configuration files.
 | `MCAPTCHA_DATEBASE_POOL`             | Postgres database connection pool size                        |
 | `DATABSE_URL` (overrides above vars) | databse URL in `postgres://user:pass@host:port/dbname` format |
 
+#### Redis:
+
+| Name                  | Value                      |
+| --------------------- | -------------------------- |
+| `MCAPTCHA_REDIS_URL`  | Redis URL                  |
+| `MCAPTCHA_REDIS_POOL` | Redis connection pool size |
+
 #### Server:
 
 | Name                                     | Value                                                  |
-| ------------------------------------- | --------------------------------------------------- |
+| ---------------------------------------- | ------------------------------------------------------ |
 | `MCAPTCHA_SERVER_PORT`                   | The port on which you want mcaptcha to listen to       |
 | `PORT`(overrides `MCAPTCHA_SERVER_PORT`) | The port on which you want mcaptcha to listen to       |
 | `MCAPTCHA_SERVER_IP`                     | The IP address on which you want mcaptcha to listen to |
@@ -46,12 +53,12 @@ domain
 ### Configuration file location:
 
 | Name              | Value               |
-| -------------- | ------------------- |
+| ----------------- | ------------------- |
 | `MCAPTCHA_CONFIG` | Path to config file |
 
 ### Proof of work:
 
 | Name                | Value                                                                                   |
-| ---------------- | --------------------------------------------------------------------------------------- |
+| ------------------- | --------------------------------------------------------------------------------------- |
 | `MCAPTCHA_POW_SALT` | Salt has to be long and random                                                          |
 | `MCAPTCHA_POW_GC`   | Garbage collection duration in seconds, requires tuning but 30 is a good starting point |

docs/DEPLOYMENT.md

@@ -71,6 +71,11 @@ postgres=#  CREATE USER mcaptcha WITH PASSWORD 'my super long password and yes y
 $  createdb -O mcaptcha mcaptcha # create db 'mcaptcha' with 'mcaptcha' as owner
 ```
 
+### 4. Install and load [`mCaptcha/cache`](https://github.com/mCaptcha/cache) module:
+
+See [`mCaptcha/cache`](https://github.com/mCaptcha/cache) for more
+details.
+
 ### 4. Build `mcaptcha`:
 
 To build `mcaptcha`, you need the following dependencies:
@@ -140,8 +145,10 @@ WantedBy=multi-user.target
 ```
 
 2. Enable service:
+
 ```bash
 $ sudo systemctl daemon-reload && \
 	sudo systemctl enable mcaptcha && \ # Auto startup during boot
 	sudo systemctl start mcaptcha
 ``
+```

src/docs.rs

@@ -83,7 +83,6 @@ async fn spec() -> HttpResponse {
 }
 
 async fn index() -> HttpResponse {
-    println!("getting index");
     handle_embedded_file("index.html")
 }