fix: fix dockerfile build problem (#52)

* mod: update dockerfile

* mod: fix branch

.github/workflows/Http-Gateway-Release.yml

@@ -1,8 +1,8 @@
 name: Http-Gateway-Release
 on:
-  release:
-    types:
-      - published
+  push:
+    branches:
+      - master
 jobs:
   release-image:
     runs-on: ubuntu-latest
@@ -30,4 +30,4 @@ jobs:
         context: .
         file: ./Dockerfile
         push: true
-        tags: vesoft/nebula-http-gateway:v2
+        tags: vesoft/nebula-http-gateway:nightly

Dockerfile

@@ -1,13 +1,13 @@
-FROM golang:1.13.1-alpine as builder
+FROM golang:1.13.1 as builder
 # Set the working directory to /app
 WORKDIR /nebula-http-gateway
 # Copy the current directory contents into the container at /app
 COPY . /nebula-http-gateway
  # Make port available to the world outside this container
 ENV GOPROXY https://goproxy.cn
-RUN CGO_ENABLED=0 go build
+RUN go build
 
-FROM alpine
+FROM golang:1.13.1
 
 WORKDIR /root
 COPY --from=builder ./nebula-http-gateway .