Fix dockerfile for use with nginx-proxy. Use port 80 on local compose by default.

Dockerfile

@@ -11,10 +11,11 @@ COPY . /src/
 RUN make
 
 
-FROM alpine
+FROM scratch
 
 ENTRYPOINT ["/srv/smartswitch-server"]
 USER smartswitch
+EXPOSE 7200
 
 COPY --from=env /etc/passwd /etc/group /etc/
 COPY --from=build --chown=smartswitch /src/build/ /srv/

docker-compose.yml

@@ -5,9 +5,9 @@ services:
     build: .
     environment:
       DEBUG: "true"
-      LISTEN_PORT: "7200"
+      PORT: "80"
       WEBHOOK_CONFIG_FILE: "/config/webhooks.yml"
     volumes:
       - "./webhooks.yml.example:/config/webhooks.yml"
     ports:
-      - "7200:7200"
+      - "80:80"