Add cloudflared

cloudflared/Dockerfile

@@ -0,0 +1,10 @@
+# syntax=docker/dockerfile:1
+
+FROM --platform=$BUILDPLATFORM build as builder
+
+RUN --mount=type=cache,target=/gocache build-go cloudflared https://github.com/cloudflare/cloudflared.git 2023.5.0 ./cmd/cloudflared
+
+FROM scratch
+
+ARG TARGETARCH
+COPY --from=builder /app/cloudflared-$TARGETARCH /usr/local/bin/cloudflared

docker-bake.hcl

@@ -1,6 +1,7 @@
 group "default" {
     targets = [
         "build",
+        "cloudflared",
         "docker-buildx",
         "docker-cli",
         "docker-cli-full",
@@ -24,6 +25,23 @@ target "build" {
     ]
 }
 
+target "cloudflared" {
+    tags = [
+        "ghcr.io/lutriseng/static-oci/cloudflared:latest",
+        "ghcr.io/lutriseng/static-oci/cloudflared:2023.5.0"
+    ]
+    cache-to = ["type=inline,mode=max"]
+    cache-from = ["ghcr.io/lutriseng/static-oci/cloudflared"]
+    context = "cloudflared"
+    contexts = {
+        build = "target:build"
+    }
+    platforms = [
+        "linux/amd64",
+        "linux/arm64"
+    ]
+}
+
 target "docker-buildx" {
     tags = [
         "ghcr.io/lutriseng/static-oci/docker-buildx:latest",