Update README.md

Author: tsigouris007

README.md

@@ -1,6 +1,10 @@
 # Falcon-CrowdStrike-SIEM-Connector
 
-To use this image properly first create a `.env` file in the root directory of this repository with the following contents:
+This container has all the necessary components to run the Falcon CrowdStrike connector deb package. \
+There are two ways to use this container.
+
+## Using an .env file
+To use this image with a configuration file, fill the `.env` file in the root directory of this repository with the following contents:
 
 ```
 CLIENT_ID=<YOUR_CLIENT_ID>
@@ -18,21 +22,47 @@ Make sure to check out the documentation just in case any of these values change
 
 The `CLIENT_ID` and `CLIENT_SECRET` can be produced by visiting `/api-clients-and-keys` UI.
 
-## Building
+### Building
 
 ```bash
 ~$ docker build . -t <name>:<tag>
 ```
 
-## Running
+### Running
 
 ```bash
 ~$ docker run <name>:<tag>
 ```
 
-## Debugging
+### Debugging
+
+Make sure you have a running container first (the container doesn't stop running as it is polling logs).
+```bash
+~$ docker exec -it <container_name> bash
+```
+
+## Using arguments
+To use this image with run-time arguments, skip the file and add them during run-time.
+
+### Building
+
+```bash
+~$ docker build . -t <name>:<tag>
+```
+
+### Running
+
+```bash
+~$ docker run \
+	-e CLIENT_ID=<CLIENT_ID> \
+	-e CLIENT_SECRET=<CLIENT_SECRET> \
+	-e API_BASE_URL=<API_BASE_URL> \
+	<name>:<tag>
+```
+
+### Debugging
 
-Make sure you have a running container first.
+Make sure you have a running container first (the container doesn't stop running as it is polling logs).
 ```bash
 ~$ docker exec -it <container_name> bash
 ```