fix(opa): Manually install Go version

NOTE: The dnf package was 1.23.6 and OPA required 1.23.8
NOTE: I tried making the version paramaterized, but bake wouldn't allow
it (it worked fine with `docker build` and `docker build xbuild`).

Author: NickLarsenNZ

CHANGELOG.md

@@ -57,6 +57,7 @@ All notable changes to this project will be documented in this file.
 - Add `--locked` flag to `cargo install` commands for reproducible builds ([#1044]).
 - nifi: reduce docker image size by removing the recursive chown/chmods in the final image ([#1027]).
 - opa: reduce docker image size by removing the recursive chown/chmods in the final image ([#1038]).
+- opa: Manually install Go 1.23.9 ([#1103]).
 - spark-k8s: reduce docker image size by removing the recursive chown/chmods in the final image ([#1042]).
 - trino: reduce docker image size by removing the recursive chown/chmods in the final image ([#1025]).
 - zookeeper: reduce docker image size by removing the recursive chown/chmods in the final image ([#1043]).

opa/Dockerfile

@@ -47,19 +47,21 @@ ENV GOOS=$TARGETOS
 
 # gzip, tar - used to unpack the OPA source
 # git - needed by the cyclonedx-gomod tool to determine the version of OPA
-# golang - used to build OPA
 RUN <<EOF
 microdnf update
 microdnf install \
   git \
-  golang \
   gzip \
   tar
 microdnf clean all
 EOF
 
 COPY --chown=${STACKABLE_USER_UID}:0 opa/stackable/bin /stackable/opa/bin
 
+# Manually install Go since the dnf package is sometimes not recent enough
+COPY --from=registry-1.docker.io/library/golang:1.23.9 /usr/local/go/ /usr/local/go/
+ENV PATH="/usr/local/go/bin:${PATH}"
+
 RUN <<EOF
 # We use version 1.7.0, since a newer version of cyclonedx-gomod is not compatible with the version of Golang (>= 1.23.1)
 go install github.com/CycloneDX/cyclonedx-gomod/cmd/[email protected]