chore: add vendor target for bake

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

Dockerfile

@@ -39,3 +39,14 @@ WORKDIR /test
 COPY --from=build /out ./public
 ADD .htmltest.yml .htmltest.yml
 RUN htmltest
+
+FROM build-base as update-modules
+ARG MODULE="-u"
+WORKDIR /src
+COPY . .
+RUN hugo mod get ${MODULE}
+RUN hugo mod vendor
+
+FROM scratch as vendor
+COPY --from=update-modules /src/_vendor /_vendor
+COPY --from=update-modules /src/go.* /

docker-bake.hcl

@@ -140,3 +140,11 @@ target "aws-cloudfront-update" {
   no-cache-filter = ["aws-cloudfront-update"]
   output = ["type=cacheonly"]
 }
+
+target "vendor" {
+  target = "vendor"
+  args = {
+    MODULE = null
+  }
+  output = ["."]
+}