BUILD - Expose ports used by the application server in Dockerfile

Dockerfile

@@ -23,6 +23,10 @@ RUN make -j8
 # prod
 FROM alpine:3
 
+ENV AUTHENTICATION_PORT 23000
+ENV MONITORING_PORT 8003
+ENV SHARDING_PORT 23001
+
 WORKDIR /usr/src/app
 
 RUN apk update && apk upgrade && apk add \
@@ -32,6 +36,10 @@ sqlite-dev
 COPY --from=build /usr/src/app/bin/fusion /bin/fusion
 COPY sql ./sql
 
+EXPOSE $AUTHENTICATION_PORT
+EXPOSE $MONITORING_PORT
+EXPOSE $SHARDING_PORT
+
 CMD ["/bin/fusion"]
 
 LABEL Name=openfusion Version=0.0.2