Support using docker for your bot

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.7-buster
+
+COPY . /app
+WORKDIR /app
+
+RUN pip3 install -r requirements.txt
+CMD python3 ./ssdb.py

README.md

@@ -4,5 +4,9 @@ Creates a list of Source engine game servers and updates it regularly. Useful fo
 ## Instructions
 - Make sure you have Python 3 installed and in your PATH.
 - Run `pip install -r requirements.txt`
-- Configure `.ssdb_config.ini` (remove .template from name) with at least the bot token, channel id and the list method
+- Configure `config/.ssdb_config.ini` (remove .template from name) with at least the bot token, channel id and the list method
 - Run `run.bat` or `run.sh`
+
+**Docker Instructions (Optional)**:
+- Make sure you have Docker and `docker-compose` in your PATH
+- Run (docker) `docker-compose up --build` or `docker-compose up -d`

docker-compose.yml

@@ -0,0 +1,8 @@
+version: '3'
+
+services:
+  ssdb:
+    restart: always
+    build: ./
+    volumes:
+      - ./config:/app/config

ssdb.py

@@ -681,7 +681,7 @@ def check_update_loop(self):
     # Read our config
     config = configparser.ConfigParser()
     config_name = path.join(
-        path.dirname(__file__), ".ssdb_config.ini")
+        path.dirname(__file__), "config/.ssdb_config.ini")
     with open(config_name, 'r') as fp:
         config.read_file(fp)