chore: replace buildah-build action with commands

.github/actions/build-image/action.yml

@@ -1,56 +1,72 @@
 name: Build Image
+description: "Builds a container image using Podman or Docker"
 
 inputs:
   context:
-    description: 'The build context directory'
+    description: "The build context directory"
     required: false
-    default: '.'
+    default: "."
   dockerfile:
-    description: 'The path to the Dockerfile to build'
+    description: "The path to the Dockerfile to build"
     required: false
-    default: 'Containerfile'
+    default: "Containerfile"
   image-name:
-    description: 'The name of the image to build'
+    description: "The name of the image to build"
     required: true
   image-tags:
-    description: 'The tags to apply to the image'
+    description: "The tags to apply to the image"
     required: true
   build-args:
-    description: 'Build arguments to pass to the Docker build'
+    description: "Build arguments to pass to the Docker build"
     required: false
-    default: ''
+    default: ""
   builder:
-    description: 'The name of the builder to use (docker or podman)'
+    description: "The name of the builder to use (docker or podman)"
     required: false
-    default: 'podman'
+    default: "podman"
 
 outputs:
   image:
-    description: 'The name of the built image'
+    description: "The name of the built image"
     value: ${{ steps.set-outputs.outputs.image }}
   tags:
-    description: 'The tags applied to the built image'
+    description: "The tags applied to the built image"
     value: ${{ steps.set-outputs.outputs.tags }}
   digest:
-    description: 'The digest of the built image'
+    description: "The digest of the built image"
     value: ${{ steps.set-outputs.outputs.digest }}
   builder:
-    description: 'The builder used to build the image'
+    description: "The builder used to build the image"
     value: ${{ inputs.builder }}
 
 runs:
-  using: 'composite'
+  using: "composite"
   steps:
     - name: Build (Podman)
       if: ${{ inputs.builder == 'podman' }}
       id: build-podman
-      uses: redhat-actions/buildah-build@7a95fa7ee0f02d552a32753e7414641a04307056 # v2
-      with:
-        context: ${{ inputs.context }}
-        containerfiles: ${{ inputs.dockerfile }}
-        image: ${{ inputs.image-name }}
-        tags: ${{ inputs.image-tags }}
-        build-args: ${{ inputs.build-args }}
+      shell: bash
+      run: |
+        BUILD_ARG_FLAGS=""
+        if [ -n "${{ inputs.build-args }}" ]; then
+          IFS=' ' read -r -a build_args_array <<< "${{ inputs.build-args }}"
+          for build_arg in "${build_args_array[@]}"; do
+            BUILD_ARG_FLAGS+="--build-arg $build_arg "
+          done
+        fi
+        TAGS_FLAGS=""
+        IFS=' ' read -r -a tag_array <<< "${{ inputs.image-tags }}"
+        for tag in "${tag_array[@]}"; do
+          TAGS_FLAGS+="--tag ${{ inputs.image-name }}:$tag "
+        done
+
+        podman build \
+          $BUILD_ARG_FLAGS \
+          $TAGS_FLAGS \
+          ${{ inputs.context }}
+
+        digest=$(podman image inspect ${{ inputs.image-name }}:${tag_array[0]} --format "{{.Digest}}")
+        echo "digest=$digest" >> $GITHUB_OUTPUT
 
     - name: Generate Tags (Docker)
       if: ${{ inputs.builder == 'docker' }}
@@ -93,8 +109,7 @@ runs:
           single_tag="${tag_array[0]}"
 
           echo "tags=${{ inputs.image-tags }}" >> $GITHUB_OUTPUT
-          digest=$(podman image inspect ${{ inputs.image-name }}:$single_tag --format '{{.Digest}}')
-          echo "digest=$digest" >> $GITHUB_OUTPUT
+          echo "digest=${{ steps.build-podman.outputs.digest }}" >> $GITHUB_OUTPUT
         else
           echo "tags=${{ inputs.image-tags }}" >> $GITHUB_OUTPUT
           echo "digest=${{ steps.build-docker.outputs.digest }}" >> $GITHUB_OUTPUT