generate wfm server binary from the swagger

Author: Keerthan Mala

Makefile

@@ -47,6 +47,7 @@ build:
 
 swagger-serverstub:
 	${SWAGGER_CMD} generate server -A WorkflowManager -t pkg/swagger -f https://raw.githubusercontent.com/deis/workflow-manager/master/api/swagger-spec/swagger.yml
+	mv pkg/swagger/cmd/workflow-manager-server/main.go .
 
 test:
 	${DEV_ENV_CMD} sh -c 'go test -tags testonly $$(glide nv)'

pkg/swagger/cmd/workflow-manager-server/main.go main.go

@@ -3,5 +3,7 @@ FROM alpine:3.3
 RUN apk -U add ca-certificates && \
     rm -Rf /var/cache/apk/*
 EXPOSE 8081
+ENV PORT 8081
+ENV HOST 0.0.0.0
 COPY usr/bin/workflow-manager-api /usr/local/bin/workflow-manager-api
 CMD ["workflow-manager-api"]