add Docker support

.gitignore

@@ -0,0 +1 @@
+.venv

Dockerfile

@@ -0,0 +1,21 @@
+FROM python:3.7 as base
+
+FROM base as builder
+
+RUN mkdir /install
+WORKDIR /install
+
+COPY requirements.txt /requirements.txt
+
+RUN pip install --install-option="--prefix=/install" -r /requirements.txt
+
+FROM python:3.7-alpine
+
+COPY --from=builder /install /usr/local
+COPY sonos-doorbell.py /app/sonos-doorbell.py
+COPY *.mp3 /app/
+
+WORKDIR /app
+ENV ROOM Kitchen
+ENV PORT 8080
+CMD python3 sonos-doorbell.py $ROOM --port $PORT

README.md

@@ -6,9 +6,21 @@ service that can be paired with out IoT devices or smart doorbells to play an au
 
 The sonos-doorbell project launches a simple HTTP server that both receives the incoming doorbell requests and hosts the MP3 files to be used by the doorbell ring. 
 
-### Launch
-1. Install python3 or run from inside a Docker envrionment with python3 setup
-1. Edit main.sh to specify the Zone name and port you want the server to be hosted on
+### Launch local
+1. Install python3
+1. Edit `main.sh` to specify the Zone name and port you want the server to be hosted on
+1. Run `main.sh`
+
+### Launch in Docker
+
+##### Build Image
+
+`docker build . -t sonos-doorbell`
+
+##### Run Image
+
+Only works on Linux, due to requirment of docker host networking  
+`docker run -d -e PORT=8888 -e ROOM=Kitchen --name sonos-doorbell --network host --restart always sonos-doorbell`
 
 ### Test
 http://{hostname:port}/doorbell_press?ringtone=dingdong1&volume=45 

main.sh

@@ -1,10 +1,9 @@
 #!/bin/bash
 
-pip install --upgrade pip
-pip install SoCo
-pip install mutagen
-pip install netifaces
+python3 -m venv .venv
+source .venv/bin/activate
 
-cd doorbell
+pip install --upgrade pip
+pip install -r requirements.txt
 
 python3 sonos-doorbell.py "Kitchen" --port 8888

requirements.txt

@@ -0,0 +1,3 @@
+mutagen
+netifaces
+soco