Update dockerfiles to fix chainguard image references

.goreleaser.docker.yml

@@ -45,7 +45,7 @@ dockers:
       - &amd_debug_image_gh "ghcr.io/authzed/zed:v{{ .Version }}-amd64-debug"
       - &amd_debug_image_dh "authzed/zed:v{{ .Version }}-amd64-debug"
     ids: ["linux-amd64"]
-    dockerfile: &dockerfile "Dockerfile.release"
+    dockerfile: "Dockerfile.release"
     goos: "linux"
     goarch: "amd64"
     use: "buildx"

Dockerfile

@@ -1,9 +1,13 @@
-FROM golang:1.23-alpine3.20 AS zed-builder
+# NOTE: we use the chainguard image here rather
+# than the golang image because the golang image
+# uses musl as its libc, and chainguard no longer provides
+# a musl-dynamic container. - 2024-12-02 Tanner Stirrat
+FROM cgr.dev/chainguard/go:latest AS zed-builder
 WORKDIR /go/src/app
 RUN apk update && apk add --no-cache git
 COPY . .
 RUN go build -v ./cmd/zed/
 
-FROM cgr.dev/chainguard/musl-dynamic:latest
+FROM cgr.dev/chainguard/glibc-dynamic:latest
 COPY --from=zed-builder /go/src/app/zed /usr/local/bin/zed
 ENTRYPOINT ["zed"]

Dockerfile.release

@@ -1,5 +1,9 @@
 # vim: syntax=dockerfile
-ARG BASE=cgr.dev/chainguard/musl-dynamic:latest
+# NOTE: we use chainguard's static image because
+# the version of zed that we build for this container
+# is statically-linked (i.e. CGO_ENABLED=0) and therefore
+# doesn't need a libc.
+ARG BASE=cgr.dev/chainguard/static:latest
 
 FROM $BASE