Add Docker run examples

BUILD

@@ -61,3 +61,7 @@ py_binary(
         requirement("flask"),
     ],
 )
+
+load(":executable.bzl", "docker_hello_world", "docker_ubuntu_bash_interactive")
+docker_hello_world(name="docker_hello_world")
+docker_ubuntu_bash_interactive(name="docker_ubuntu_bash_interactive")

README.md

@@ -12,3 +12,8 @@ or
 - `bazel run main --config=banana`
 - `bazel run main --config=apple`
 - `bazel run main --config=orange`
+
+### Run Docker
+
+- `bazel run docker_hello_world`
+- `bazel run docker_ubuntu_bash_interactive`

executable.bzl

@@ -0,0 +1,26 @@
+def _docker_hello_world(ctx):
+  ctx.actions.write(
+    output = ctx.outputs.executable,
+    is_executable = True,
+    content = "docker run hello-world")
+  return DefaultInfo(executable = ctx.outputs.executable)
+
+
+docker_hello_world = rule(
+  implementation = _docker_hello_world,
+  executable = True,
+)
+
+
+def _docker_ubuntu_bash_interactive(ctx):
+  ctx.actions.write(
+    output = ctx.outputs.executable,
+    is_executable = True,
+    content = "docker run -it ubuntu bash")
+  return DefaultInfo(executable = ctx.outputs.executable)
+
+
+docker_ubuntu_bash_interactive = rule(
+  implementation = _docker_ubuntu_bash_interactive,
+  executable = True,
+)