some cleaning up

README.md

@@ -73,14 +73,28 @@ Loaded image: projects/node_web:oci_tarball
 listening on port 8080
 ```
 
-### Build & Run Go web app docker image
+### Build & Run Go web app docker image (amd64)
 ```
-➜ bazel run projects/go_web:oci_tarball --platforms=@io_bazel_rules_go//go/toolchain:linux_amd64
+➜ bazel run projects/go_web:oci_tarball_amd64
 ...
-Loaded image: projects/go_web:oci_tarball
+Loaded image: projects/go_web:oci_tarball_amd64
 ➜
-➜ docker run -p 8080:8080 projects/go_web:oci_tarball
-2022/05/30 20:35:51 Going to listen on port 8080
+➜ docker run projects/go_web:oci_tarball_amd64
+2023/08/27 13:40:22 running program's operating system target: linux
+2023/08/27 13:40:22 running program's architecture target: amd64
+2023/08/27 13:40:22 Going to listen on port: 8080
+```
+
+### Build & Run Go web app docker image (arm64)
+```
+➜ bazel run projects/go_web:oci_tarball_arm64
+...
+Loaded image: projects/go_web:oci_tarball_arm64
+➜
+➜ docker run projects/go_web:oci_tarball_arm64
+2023/08/27 13:40:58 running program's operating system target: linux
+2023/08/27 13:40:58 running program's architecture target: arm64
+2023/08/27 13:40:58 Going to listen on port: 8080
 ```
 
 ### Deploying Go web app to Heroku

projects/go_web/BUILD.bazel

@@ -14,25 +14,6 @@ go_library(
     ],
 )
 
-go_binary(
-    name = "go_web",
-    embed = [":go_web_lib"],
-    visibility = ["//visibility:public"],
-)
-
-pkg_tar(
-    name = "tar",
-    srcs = [":go_web"],
-)
-
-oci_image(
-    name = "oci_image",
-    base = "@distroless_base",
-    # with :debug distroless image, entrypoint can be changed to "sh" for debug purposes
-    entrypoint = ["go_web_/go_web"],
-    tars = [":tar"],
-)
-
 archs = [
     "arm64",
     "amd64",
@@ -68,6 +49,15 @@ archs = [
     for arch in archs
 ]
 
+[
+    oci_tarball(
+        name = "oci_tarball_" + arch,
+        image = ":oci_image_" + arch,
+        repo_tags = ["projects/go_web:oci_tarball_" + arch],
+    )
+    for arch in archs
+]
+
 oci_image_index(
     name = "multi_arch_image",
     images = [
@@ -83,14 +73,14 @@ oci_push(
     repository = "registry.hub.docker.com/krisfoster96/monorepo-go-web",
 )
 
-oci_tarball(
-    name = "oci_tarball_amd64",
-    image = ":oci_image_amd64",
-    repo_tags = ["projects/go_web:oci_tarball_amd64"],
-)
-
 bazoku(
     name = "bazoku-deployment",
-    binary = ":go_web",
+    binary = ":go_web_amd64",
     heroku_app_name = "my-bazoku-app",
 )
+
+go_binary(
+    name = "go_web",
+    embed = [":go_web_lib"],
+    visibility = ["//visibility:public"],
+)