docs(hosting): improve docs

docs/hosting.md

@@ -6,6 +6,10 @@ We currently support two installation methods for DSFX: Docker and manual instal
 
 ### Docker
 
+**pre-requisites**:
+
+- docker
+
 To run DSFX using Docker, you first need to log into the gitea registry. You can do this with the
 following command.
 
@@ -18,5 +22,33 @@ echo $GITEA_PAT | docker login koti.casa -u <your-username> --password-stdin
 Then, you can pull the DSFX image from the registry and run it.
 
 ```bash
-docker run -d --name dsfx -p 8080:8080numenorlabs/dsfx
+docker run -d --name dsfx -p 8000:8000 koti.casa/numenorlabs/dsfx:latest
 ```
+
+### Manual Installation
+
+**pre-requisites**:
+
+- go
+
+To install DSFX manually, you need to clone the repository and compile the code. You can do this with
+the following commands:
+
+```bash
+git clone https://koti.casa/numenor-labs/dsfx.git
+
+cd dsfx
+
+go build -o <installation-target> ./cmd/dsfxnode
+```
+
+## Environment Variables
+
+DSFX uses the following environment variables to configure its behavior:
+
+| Variable             | Description                                                 | Default Value        |
+| -------------------- | ----------------------------------------------------------- | -------------------- |
+| DSFXNODE_PORT        | The port on which the DSFX server will listen               | 8000                 |
+| DSFXNODE_HOST        | The host on which the DSFX server will run                  | 0.0.0.0              |
+| DSFXNODE_CONFIG_DIR  | The directory where the DSFX configuration files are stored | /etc/dsfxnode/config |
+| DSFXNODE_STORAGE_DIR | The directory where the DSFX storage files are stored       | /etx/dsfxnode/data   |