Add the ability to run syft from a scratch image.

This change will allow endusers or CI to run syft from a
minimum image which will simplify CI deployment.

Signed-off-by: Toure Dunnon <toure.dunnon@anchore.com>

.goreleaser.yaml

@@ -47,6 +47,22 @@ builds:
       -X github.com/anchore/syft/internal/version.buildDate={{.Date}}
       -X github.com/anchore/syft/internal/version.gitTreeState={{.Env.BUILD_GIT_TREE_STATE}}
 
+dockers:
+  -
+    # Docker image name and tags
+    image_templates:
+    - "anchore/syft:latest"
+    - "anchore/syft:{{ .Version }}"
+    - "anchore/syft:{{ .Major }}.{{ .Minor }}"
+    - "anchore/syft:{{ .Major }}"
+    
+    # name of binary to release.
+    binaries:
+    - syft
+
+    # path to Dockerfile.
+    dockerfile: Dockerfile
+
 archives:
   - format: tar.gz
     builds: