Dockerfile: fmt-proto stage with bake def

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

Author: crazy-max

Dockerfile

@@ -106,6 +106,10 @@ RUN --mount=type=bind,target=. \
     --mount=from=golangci-lint,source=/usr/bin/golangci-lint,target=/usr/bin/golangci-lint \
     golangci-lint run ./...
 
+FROM gobase AS fmt-proto
+RUN --mount=type=bind,target=. \
+    make fmt-proto
+
 # use generate-base to have protoc available
 FROM generate-base
 ENV GO111MODULE=on

docker-bake.hcl

@@ -15,11 +15,20 @@ group "validate" {
   targets = ["lint", "vendor-validate", "generate-validate"]
 }
 
-target "lint" {
+group "lint" {
+  targets = ["golangci-lint", "fmt-proto"]
+}
+
+target "golangci-lint" {
   target = "lint"
   output = ["type=cacheonly"]
 }
 
+target "fmt-proto" {
+  target = "fmt-proto"
+  output = ["type=cacheonly"]
+}
+
 target "vendor-validate" {
   target = "vendor-validate"
   output = ["type=cacheonly"]