Added Docker files, extended README (Waterboy1602#3)

* Added Dockerfile and docker-compose.yml

* Added section about Docker

* Update README.md

* Update README.md

Dockerfile

@@ -0,0 +1,14 @@
+FROM python:3.6-alpine
+
+WORKDIR /usr/src
+# Install requirements
+RUN apk add --no-cache gcc musl-dev libffi-dev openssl-dev
+# Copy files to container
+COPY . /usr/src/addarr
+# Install ans build Addarr requirements, make symlink to redirect logs to stdout
+RUN	cd addarr && \
+	pip install --no-cache-dir -r requirements.txt --upgrade && \
+	ln -s /dev/stdout /usr/src/telegramBot.log 
+
+ENTRYPOINT ["python"]
+CMD ["/usr/src/addarr/addarr.py"]

README.md

@@ -1,18 +1,22 @@
 # ADDARR
 
-This is a TelegramBot made to add series to [Sonarr](https://github.com/Sonarr/Sonarr) or movies to [Radarr](https://github.com/Radarr/Radarr with a couple of commands.
+This is a TelegramBot made to add series to [Sonarr](https://github.com/Sonarr/Sonarr) or movies to [Radarr](https://github.com/Radarr/Radarr) with a couple of commands.
 
-### HOW IT WORKS
-You can start the bot with sending a message or command 'start'
+## HOW IT WORKS
+You can start the bot with sending a message or command `/start`. 
+The rest will be made clear by the bot.
 
-The rest will be made clear by the bot
-
-### SCREENSHOTS
+## SCREENSHOTS
 <div style="float: left">
 <img src="https://i.imgur.com/gO4UGG6.png" height="350" style="padding-right: 50px">
 <img src="https://i.imgur.com/6UAmcAk.png" height="350" style="padding-right: 50px">
 <img src="https://i.imgur.com/1X3xUNA.png" height="350" style="padding-right: 50px">
 </div>
 
-### INSTALLATION
+## INSTALLATION
+### FreeBSD
 For the moment I only made a wikipage for [installation on FreeBSD](https://github.com/Waterboy1602/Addarr/wiki/Installation-on-FreeBSD). If there is interest for other wikipages, just tell me and I will look for it.
+### Docker
+* To build a docker image use the command `docker-compose build`.
+* After that copy the provided `config_example.yaml` to `config.yaml` and set the values to your configuration.
+* Then you can use the provided docker-compose file to run the bot using the command `docker-compose up -d`.

docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3'
+services:
+  addarr:
+    container_name: addarr_bot
+    build: .
+    restart: unless-stopped
+    network_mode: host
+    volumes:
+    - ./config.yaml:/usr/src/addarr/config.yaml:ro