chore(docker): update build image to go 1.15

mritd · mritd · commit 2b125d0cb814 · 2020-09-01T18:14:43.000+08:00
update build image to go 1.15

Signed-off-by: mritd &lt;mritd@linux.com&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.14.4-alpine3.12 AS builder
+FROM golang:1.15.0-alpine3.12 AS builder
 
 ENV GO111MODULE on
 ENV GOPROXY https://goproxy.cn

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM golang:1.14.4-alpine3.12 AS builder`
	`1`	`+FROM golang:1.15.0-alpine3.12 AS builder`
`2`	`2`
`3`	`3`	`ENV GO111MODULE on`
`4`	`4`	`ENV GOPROXY https://goproxy.cn`