labelling the docker image

cmd/echo/BUILD.bazel

@@ -43,11 +43,17 @@ pkg_tar(
 
 load("@rules_oci//oci:defs.bzl", "oci_image", "oci_push")
 
+filegroup(
+    name = "docker_labels",
+    srcs = ["labels.txt"],
+)
+
 oci_image(
     name = "image",
     base = "@distroless_base",
     entrypoint = ["/echo"],
     tars = [":tar"],
+    labels = ":docker_labels",
 )
 
 oci_push(

cmd/echo/labels.txt

@@ -0,0 +1,10 @@
+org.label-schema.name="gomud echo"
+org.label-schema.description="simple echo server for testing gomud functionality"
+org.label-schema.vcs-ref=$VCS_REF // this is a git commit, parameterize this too
+org.label-schema.vcs-url=code.ndumas.com/ndumas/gomud
+org.label-schema.license="MIT License"
+org.label-schema.schema-version="" // TODO: parameterize this
+name="gomud-echo"
+vendor="ndumas"
+description="simple echo server for testing gomud functionality"
+summary="Deploy a gomud echo server"