style: Use buildx and add extra files in goreleaser config

.goreleaser.yaml

@@ -21,10 +21,14 @@ dockers:
       - "ethpandaops/contributoor-test:{{ .Version }}"
       - "ethpandaops/contributoor-test:latest"
     dockerfile: Dockerfile
+    use: buildx
     build_flag_templates:
       - "--platform=linux/amd64"
       - "--label=org.opencontainers.image.created={{.Date}}"
       - "--label=org.opencontainers.image.version={{.Version}}"
+    extra_files:
+      - go.mod
+      - go.sum
 
 archives:
   - format: tar.gz

Dockerfile

@@ -1,11 +1,4 @@
-FROM golang:1.23-alpine AS builder
-
-WORKDIR /app
-COPY . .
-RUN go build -o sentry ./cmd/sentry
-
 FROM alpine:latest
-
-COPY --from=builder /app/sentry /usr/local/bin/
+COPY sentry /usr/local/bin/
 RUN mkdir -p /config
 ENTRYPOINT ["sentry"]