chore: bump image to go 1.18

Vilsol · web-flow · commit b4040f273343 · 2022-06-03T09:22:28.000-07:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine AS builder
+FROM golang:1.18-alpine AS builder
 
 RUN apk add --no-cache git build-base libpng-dev
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM golang:1.17-alpine AS builder`
	`1`	`+FROM golang:1.18-alpine AS builder`
`2`	`2`
`3`	`3`	`RUN apk add --no-cache git build-base libpng-dev`
`4`	`4`