Support platforms as input for docker-build (#67)

Author: tcarmet

.github/workflows/docker-build.yaml

@@ -55,6 +55,9 @@ on:
       secrets:
         required: false
         type: string
+      platforms:
+        required: false
+        type: string
     secrets:
       REGISTRY_LOGIN:
         required: false
@@ -78,6 +81,10 @@ jobs:
       with:
         lfs: ${{ inputs.lfs }}
 
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+      if: inputs.platforms
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
@@ -102,3 +109,4 @@ jobs:
         build-args: ${{ inputs.build-args }}
         file: ${{ env.FILE }}
         secrets: ${{ inputs.secrets }}
+        platforms: ${{ inputs.platforms }}

.github/workflows/tests.yaml

@@ -20,6 +20,12 @@ jobs:
       secrets: |
         my_secret=toto
         my_other_secret=tata
+  docker-build-platforms:
+    uses: ./.github/workflows/docker-build.yaml
+    with:
+      context: tests/docker
+      name: test-platform
+      platforms: linux/amd64,linux/arm64
 
   trivy:
     needs: docker-build