Use upstream go image

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.5
+FROM golang:1.8-alpine
 
 # Install system utils & Gogs runtime dependencies
 ADD https://github.com/tianon/gosu/releases/download/1.9/gosu-amd64 /usr/sbin/gosu
@@ -27,8 +27,7 @@ COPY public /app/gogs/public
 WORKDIR /app/gogs/build
 COPY . .
 
-RUN    ./docker/build-go.sh \
-    && ./docker/build.sh \
+RUN    ./docker/build.sh \
     && ./docker/finalize.sh
 
 # Configure Docker Container

docker/build-go.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-# Build GO version as specified in Dockerfile
-
-set -x
-set -e
-
-# Components versions
-export GOLANG_VERSION="1.8"
-export GOLANG_SRC_URL="https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz"
-export GOLANG_SRC_SHA256="406865f587b44be7092f206d73fc1de252600b79b3cacc587b74b5ef5c623596"
-
-
-# Install build tools
-apk add --no-cache --no-progress --virtual build-deps-go gcc musl-dev openssl go
-
-export GOROOT_BOOTSTRAP="$(go env GOROOT)"
-
-# Download Go
-wget -q "$GOLANG_SRC_URL" -O golang.tar.gz
-echo "$GOLANG_SRC_SHA256  golang.tar.gz" | sha256sum -c -
-tar -C /usr/local -xzf golang.tar.gz
-rm golang.tar.gz
-
-# Build
-cd /usr/local/go/src
-# see https://golang.org/issue/14851
-patch -p2 -i /app/gogs/build/docker/no-pic.patch
-./make.bash
-
-# Clean
-rm /app/gogs/build/docker/*.patch
-apk del build-deps-go

docker/finalize.sh

@@ -10,7 +10,6 @@ mv /app/gogs/build/gogs /app/gogs/
 # Final cleaning
 rm -rf /app/gogs/build
 rm /app/gogs/docker/build.sh
-rm /app/gogs/docker/build-go.sh
 rm /app/gogs/docker/finalize.sh
 rm /app/gogs/docker/nsswitch.conf
 rm /app/gogs/docker/README.md