Merge pull request #4 from jlesage/multi-tags

Added support for multiple tags.

README.md

@@ -7,7 +7,7 @@ The accepted inputs are:
 
 | Name          | Type      | Default   | Mandatory   |  Description                                                    |
 |---------------|-----------|-----------|-------------|-----------------------------------------------------------------|
-| `tag`         | String    | `latest`  | No          | Tag to apply to the image                                       |
+| `tag`         | String    | `latest`  | No          | Tags (*comma separated*) to apply to the image                  |
 | `imageName`   | String    |   | Yes         | Name of the image                                               |
 | `dockerFile`  | String    | `Dockerfile` | No       | Name of the Dockerfile |
 | `publish`     | Boolean   | `false`   | No          | Indicate if the builded image should be published on Docker HUB |

action.yml

@@ -5,7 +5,7 @@ branding:
     color: blue
 inputs:
     tag:
-        description: "Tag to apply to the image"
+        description: "Tags (comma separated) to apply to the image"
         default: "latest"
     imageName:
         description: "Name of the image"

scripts/docker_build.sh

@@ -1,3 +1,8 @@
 #!/bin/sh -l
 export DOCKER_CLI_EXPERIMENTAL=enabled
-docker buildx build --platform $1 -t $2:$3 -f $4 .
+DOCKER_BUILDX_TAG_OPTS=
+for TAG in $(echo "$3" | tr ',' ' ')
+do
+    DOCKER_BUILDX_TAG_OPTS="$DOCKER_BUILDX_TAG_OPTS --tag $2:$TAG"
+done
+docker buildx build --platform $1 $DOCKER_BUILDX_TAG_OPTS -f $4 .

scripts/docker_build_push.sh

@@ -1,3 +1,8 @@
 #!/bin/sh -l
 export DOCKER_CLI_EXPERIMENTAL=enabled
-docker buildx build --platform $1 --push -t $2:$3 -f $4 .
+DOCKER_BUILDX_TAG_OPTS=
+for TAG in $(echo "$3" | tr ',' ' ')
+do
+    DOCKER_BUILDX_TAG_OPTS="$DOCKER_BUILDX_TAG_OPTS --tag $2:$TAG"
+done
+docker buildx build --platform $1 --push $DOCKER_BUILDX_TAG_OPTS -f $4 .