attempt buildah workflow

.tangled/workflows/build.yml

···
+when:
+  - event: ["push", "manual"]
+    branch: ["main"]
+  - event: ["pull_request"]
+    branch: ["main"]
+
+engine: "nixery"
+
+clone:
+  skip: false
+  depth: 1
+  submodules: false
+
+dependencies:
+  nixpkgs:
+    - buildah
+
+steps:
+  - name: Build container
+    command: buildah build -t spindle-oci-test .

Dockerfile

···
+FROM golang:1.24
+
+WORKDIR /app
+
+Copy go.mod g.sum ./
+RUN go mod download
+
+COPY *.go ./
+RUN CGO_ENABLED=0 GOOS=linux go build -o /test
+
+CMD ["/test"]

go.mod

···
+module test
+
+go 1.24.7

main.go

···
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+)
+
+func main() {
+	fmt.Println("listening on port 3000")
+
+	if err := http.ListenAndServe(
+		"localhost:3000",
+		http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			w.Write([]byte("hello"))
+		}),
+	); err != nil {
+		os.Exit(1)
+	}
+}