Update default base image to 22.04

mattgodbolt · mattgodbolt · commit b2a01b656fbb · 2024-12-06T20:15:57.000Z
Brings us in line with GCC, and that means we can run GCCs built by the gcc-builder newer than 14. See also #78
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-ARG image=20.04
+ARG image=22.04
 FROM ubuntu:${image}
 LABEL maintainer="Matt Godbolt <matt@godbolt.org>"
 ARG image # https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-ARG image=20.04`
	`1`	`+ARG image=22.04`
`2`	`2`	`FROM ubuntu:${image}`
`3`	`3`	`LABEL maintainer="Matt Godbolt <[email protected]>"`
`4`	`4`	`ARG image # https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact`