copy templates when using pre-built images (#5231)

build/Dockerfile

@@ -496,7 +496,11 @@ LABEL org.nginx.kic.image.build.version="local"
 COPY --link --chown=101:0 nginx-ingress /
 # root is required for `setcap` invocation
 USER 0
-RUN setcap 'cap_net_bind_service=+ep' /nginx-ingress && setcap -v 'cap_net_bind_service=+ep' /nginx-ingress
+RUN --mount=type=bind,target=/tmp [ -z "${BUILD_OS##*plus*}" ] && PLUS=-plus; cp -a /tmp/internal/configs/version1/nginx$PLUS.ingress.tmpl /tmp/internal/configs/version1/nginx$PLUS.tmpl \
+	/tmp/internal/configs/version2/nginx$PLUS.virtualserver.tmpl /tmp/internal/configs/version2/nginx$PLUS.transportserver.tmpl / \
+	&& chown -R 101:0 /*.tmpl \
+	&& chmod -R g=u /*.tmpl \
+	&& setcap 'cap_net_bind_service=+ep' /nginx-ingress && setcap -v 'cap_net_bind_service=+ep' /nginx-ingress
 # 101 is nginx, defined above
 USER 101
 
@@ -524,7 +528,11 @@ LABEL org.nginx.kic.image.build.version="goreleaser"
 COPY --link --chown=101:0 dist/kubernetes-ingress_linux_${TARGETARCH}*/nginx-ingress /
 # root is required for `setcap` invocation
 USER 0
-RUN setcap 'cap_net_bind_service=+ep' /nginx-ingress && setcap -v 'cap_net_bind_service=+ep' /nginx-ingress
+RUN --mount=type=bind,target=/tmp [ -z "${BUILD_OS##*plus*}" ] && PLUS=-plus; cp -a /tmp/internal/configs/version1/nginx$PLUS.ingress.tmpl /tmp/internal/configs/version1/nginx$PLUS.tmpl \
+	/tmp/internal/configs/version2/nginx$PLUS.virtualserver.tmpl /tmp/internal/configs/version2/nginx$PLUS.transportserver.tmpl / \
+	&& chown -R 101:0 /*.tmpl \
+	&& chmod -R g=u /*.tmpl \
+	&& setcap 'cap_net_bind_service=+ep' /nginx-ingress && setcap -v 'cap_net_bind_service=+ep' /nginx-ingress
 # 101 is nginx, defined above
 USER 101
 
@@ -554,7 +562,11 @@ LABEL org.nginx.kic.image.build.version="aws"
 COPY --link --chown=101:0 dist/aws*${NAP_MODULES_AWS}_linux_${TARGETARCH}*/nginx-ingress /
 # root is required for `setcap` invocation
 USER 0
-RUN setcap 'cap_net_bind_service=+ep' /nginx-ingress && setcap -v 'cap_net_bind_service=+ep' /nginx-ingress
+RUN --mount=type=bind,target=/tmp [ -z "${BUILD_OS##*plus*}" ] && PLUS=-plus; cp -a /tmp/internal/configs/version1/nginx$PLUS.ingress.tmpl /tmp/internal/configs/version1/nginx$PLUS.tmpl \
+	/tmp/internal/configs/version2/nginx$PLUS.virtualserver.tmpl /tmp/internal/configs/version2/nginx$PLUS.transportserver.tmpl / \
+	&& chown -R 101:0 /*.tmpl \
+	&& chmod -R g=u /*.tmpl \
+	&& setcap 'cap_net_bind_service=+ep' /nginx-ingress && setcap -v 'cap_net_bind_service=+ep' /nginx-ingress
 # 101 is nginx, defined above
 USER 101