Add the whole directory in the workdir

(Prevents a fatal error about not being a git repository)

Dockerfile

@@ -2,11 +2,10 @@ FROM python:3-alpine
 WORKDIR /workdir
 RUN apk add alpine-sdk autoconf automake libtool gcc
 
-ADD relay /workdir/relay
 ADD requirements.txt /workdir/
 RUN pip3 install -r requirements.txt
 
-ADD relay.yaml /workdir/
+ADD . /workdir/
 CMD ["python", "-m", "relay"]
 
 VOLUME ["/workdir/data"]