Support building container image with podman

Author: badlop

.github/workflows/tests.yml

@@ -114,7 +114,7 @@ jobs:
             ${{ steps.localreg.outputs.mixlocaltag }}
 
       - name: Prepare ecs Dockerfile
-        run: sed -i 's|ejabberd/mix|${{ steps.localreg.outputs.mixlocaltag }}|g' ecs/Dockerfile
+        run: sed -i 's|docker.io/ejabberd/mix|${{ steps.localreg.outputs.mixlocaltag }}|g' ecs/Dockerfile
 
       - name: Build and push local ecs image
         uses: docker/build-push-action@v5

ecs/Dockerfile

@@ -3,7 +3,7 @@ RUN go install -v \
     github.com/processone/ejabberd-api/cmd/ejabberd@latest \
     && mv bin/ejabberd bin/ejabberdapi
 
-FROM ejabberd/mix as builder
+FROM docker.io/ejabberd/mix AS builder
 ARG VERSION
 ENV VERSION=${VERSION:-latest} \
     MIX_ENV=prod
@@ -48,7 +48,7 @@ RUN mkdir runtime \
     && cp -r /ejabberd/sql lib/ejabberd-*/priv
 
 # Runtime container
-FROM alpine:3.19
+FROM docker.io/alpine:3.19
 ARG VERSION
 ARG VCS_REF
 ARG BUILD_DATE