Allow building with different base images

coldfix · tcardonne · commit 8ccce9225341 · 2020-08-12T21:25:56.000+02:00
diff --git a/debian-buster/Dockerfile b/debian-buster/Dockerfile
@@ -1,4 +1,5 @@
-FROM debian:buster-slim
+ARG FROM=debian:buster-slim
+FROM ${FROM}
 
 ARG GIT_VERSION="2.26.2"
 ARG GH_RUNNER_VERSION
