reduce image size

Author: golangboy

Dockerfile

@@ -1,11 +1,14 @@
-FROM golang
+FROM golang as builder
 WORKDIR /app
 COPY . .
 WORKDIR /app/client
-RUN go build -o app .
+RUN export CGO_ENABLED=0 && go build -o app .
 WORKDIR /app/server
-RUN go build -o app .
+RUN export CGO_ENABLED=0 && go build -o app .
 WORKDIR /app
 RUN chmod +x start.sh
+
+FROM alpine
+COPY --from=builder /app /app
 EXPOSE 80 1180
 CMD ["/app/start.sh"]

start.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 if [ -z $ws ]; then
     echo "Starting server"
     /app/server/app