Defined CMD in Dockerfile; ENTRYPOINT now supports user-provided commands

.gitignore

@@ -1,3 +1,5 @@
 .directory
 build.sh
 deploy.sh
+data
+compose-test.yml

Dockerfile

@@ -27,4 +27,4 @@ ADD rootfs /
 HEALTHCHECK --interval=60s --timeout=5s CMD chronyc tracking > /dev/null
 
 ENTRYPOINT ["/entrypoint.sh"]
-CMD ["chronyd","-d","-s" ]
+CMD ["chronyd", "-d", "-s"]

README.md

@@ -37,6 +37,9 @@ docker exec chrony /bin/sh -c "chronyc sources"
 ```
 
 ## Changelog
+v1.232.8-1 - 02.01.2026
+- Defined CMD in Dockerfile; ENTRYPOINT now supports user-provided commands
+
 v1.232.8 - 19.12.2025
 - Alpine v. 3.23.2
 

rootfs/entrypoint.sh

@@ -23,29 +23,48 @@ chown chrony:chrony -R /var/lib/chrony /etc/chrony/chrony.conf
 # remove previous pid file if it exist
 [ -e /var/run/chrony/chronyd.pid ] && rm /var/run/chrony/chronyd.pid
 
-function custom_bashrc {
-echo '
+custom_bashrc() {
+cat <<'EOF'
 export LS_OPTIONS="--color=auto"
-alias "ls=ls $LS_OPTIONS"
-alias "ll=ls $LS_OPTIONS -la"
-alias "l=ls $LS_OPTIONS -lA"
-'
+alias ls='ls $LS_OPTIONS'
+alias ll='ls $LS_OPTIONS -la'
+alias l='ls $LS_OPTIONS -lA'
+
+# prompt SOLO per shell interattive
+if [[ $- == *i* ]]; then
+  if [ "$(id -u)" -eq 0 ]; then
+    PS1="\[\e[35m\][\[\e[31m\]\u\[\e[36m\]@\[\e[32m\]\h\[\e[90m\] \w\[\e[35m\]]\[\e[0m\]# "
+  else
+    PS1="\[\e[35m\][\[\e[33m\]\u\[\e[36m\]@\[\e[32m\]\h\[\e[90m\] \w\[\e[35m\]]\[\e[0m\]$ "
+  fi
+  export PS1
+fi
+EOF
 }
 
-function set_bashrc {
-echo "-----------------------------------------"
-echo " .bashrc file setup..."
-echo "-----------------------------------------"
-custom_bashrc | tee /root/.bashrc
-echo 'export PS1="\[\e[35m\][\[\e[31m\]\u\[\e[36m\]@\[\e[32m\]\h\[\e[90m\] \w\[\e[35m\]]\[\e[0m\]# "' >> /root/.bashrc
-for i in $(ls /home); do echo 'export PS1="\[\e[35m\][\[\e[33m\]\u\[\e[36m\]@\[\e[32m\]\h\[\e[90m\] \w\[\e[35m\]]\[\e[0m\]$ "' >> /home/${i}/.bashrc; done
+setup_bashrc() {
+  for home in /root /home/*; do
+    [ -d "$home" ] || continue
+    bashrc="$home/.bashrc"
+
+    # crea se manca
+    [ -f "$bashrc" ] || touch "$bashrc"
+
+    # evita duplicazioni
+    grep -q '### CUSTOM BASHRC ###' "$bashrc" && continue
+
+    {
+      echo ''
+      echo '### CUSTOM BASHRC ###'
+      custom_bashrc
+    } >> "$bashrc"
+  done
 }
 
-set_bashrc
+setup_bashrc
 
-CMD="$@"
-[ -z "$CMD" ] && export CMD="supervisord -c /etc/supervisor/supervisord.conf"
+# print cmd that will be executed
+echo "Starting: $*" >&2
 
-exec $CMD
-
-exit $?
+# launch CMD
+exec "$@"