fix(KUBECONFIG): select to the given KUBE_CONTEXT if provided

templates/gitlab-ci-k8s.yml

@@ -303,6 +303,12 @@ stages:
     elif [[ -n "$KUBECONFIG" ]]
     then
       log_info "--- using \\e[32mKUBECONFIG\\e[0m provided by GitLab"
+
+      if [[ -n "$KUBE_CONTEXT" ]]
+      then
+        kubectl config use-context "$KUBE_CONTEXT"
+        log_info "--- switch to the given \\e[32mKUBE_CONTEXT\\e[0m: ${KUBE_CONTEXT}"
+      fi
     else
       log_info "--- using exploded \\e[32mKUBECONFIG\\e[0m parameters (env: \\e[33;1m${environment_type}\\e[0m, url: \\e[33;1m${url}\\e[0m, namespace: \\e[33;1m${namespace}\\e[0m)"