chore: use the Alpine 3.13 image

Ezequiel Russo · Ezequiel Russo · commit 81585bca5844 · 2021-09-01T11:41:15.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:3.13
 
 ## Install required dependencies
 RUN apk add --no-cache \

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM alpine`
	`1`	`+FROM alpine:3.13`
`2`	`2`
`3`	`3`	`## Install required dependencies`
`4`	`4`	`RUN apk add --no-cache \`