fix: pin python 3.12, alpine 3.20

mgoltzsche · mgoltzsche · commit 2fe36357667e · 2024-10-31T02:06:26.000+01:00
This is because imghdr was removed in python 3.13 but beets components depend on it.
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3-alpine3.19
+FROM python:3.12-alpine3.20
 RUN apk add --update --no-cache libgcc ffmpeg
 # beets==1.6.0 + patches
 RUN set -eux; \

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM python:3-alpine3.19`
	`1`	`+FROM python:3.12-alpine3.20`
`2`	`2`	`RUN apk add --update --no-cache libgcc ffmpeg`
`3`	`3`	`# beets==1.6.0 + patches`
`4`	`4`	`RUN set -eux; \`