Create awx group in container

tools/ansible/roles/dockerfile/templates/Dockerfile.j2

@@ -234,6 +234,7 @@ RUN for dir in \
     for file in \
       /etc/subuid \
       /etc/subgid \
+      /etc/group \
       /etc/passwd \
       /var/lib/awx/rsyslog/rsyslog.conf ; \
     do touch $file ; chmod g+rw $file ; chgrp root $file ; done

tools/docker-compose/entrypoint.sh

@@ -7,6 +7,10 @@ root:x:0:0:root:/root:/bin/bash
 awx:x:`id -u`:`id -g`:,,,:/var/lib/awx:/bin/bash
 EOF
 
+cat <<EOF >> /etc/group
+awx:x:`id -u`:awx
+EOF
+
 cat <<EOF > /etc/subuid
 awx:100000:50001
 EOF