build: instructions regarding binfmt

goreleaser · Apr 1, 2024 · 190ce19 · 190ce19
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -38,6 +38,16 @@ If on the ARM tests you are seeing `standard_init_linux.go:211: exec user proces
 sudo docker run --rm --privileged hypriot/qemu-register
 ```
 
+### A note about Docker multi-arch builds
+
+If you want to properly run the Docker tests, or run `goreleaser release
+--snapshot` locally, you might need to setup Docker for it.
+You can do so by running:
+
+```sh
+task docker:setup
+```
+
 ## Test your change
 
 You can create a branch for your changes and try to build from the source as you go:

diff --git a/Taskfile.yml b/Taskfile.yml
@@ -17,6 +17,11 @@ tasks:
     cmds:
       - go mod tidy
 
+  docker:setup:
+    desc: Setup Docker for multi-arch image builds
+    cmds:
+      - docker run --privileged --rm tonistiigi/binfmt --install all
+
   build:
     desc: Build the binary
     sources: