fix(docker): allow to customize user uid and gid via build args

since ubuntu 24.04 the dedicated 'ubuntu' user with id 1000 is added, with build arg
and default value 1000 we keep backward compatibility with ubuntu:20.04 images, but
can override the value for ubuntu:24.04 images

.circleci/config.yml

@@ -1024,7 +1024,7 @@ workflows:
             - team-broker-snyk
           requires:
             - Scan repository for secrets
-          additional_arguments: "--build-arg BASE_IMAGE=ubuntu:24.04"
+          additional_arguments: "--build-arg BASE_IMAGE=ubuntu:24.04 --build-arg USER_UID=2000"
           dockerfile: dockerfiles/base/Dockerfile
           nodejs_cycle: "23"
           project_name: broker-nlatest

dockerfiles/base/Dockerfile

@@ -8,11 +8,13 @@ ARG NODE_VERSION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV NODE_VERSION=${NODE_VERSION}
 ENV PATH=$PATH:/home/node/.npm-global/bin
+ARG USER_UID=1000
+ARG USER_GID=${USER_UID}
 
 RUN <<EOF
     set -ex
-    groupadd --gid 1000 node
-    useradd --uid 1000 --gid node --shell /bin/bash --create-home node
+    groupadd --gid ${USER_GID} node
+    useradd --uid ${USER_UID} --gid node --shell /bin/bash --create-home node
     apt update
     apt upgrade --assume-yes
     # install packages needed for node installation