Improve locale setup and database user privileges

Add command to grant superuser, createrole, and createdb privileges to the postgres user during Databasus installation. Enhance LXC container customization by installing locales for Devuan templates and only configuring locale if locale.gen exists, improving compatibility with minimal templates.

install/databasus-install.sh

@@ -113,6 +113,7 @@ if ! grep -q "databasus" "$PG_HBA"; then
   systemctl reload postgresql
 fi
 $STD sudo -u postgres psql -c "CREATE DATABASE databasus;" 2>/dev/null || true
+$STD sudo -u postgres psql -c "ALTER USER postgres WITH SUPERUSER CREATEROLE CREATEDB;" 2>/dev/null || true
 msg_ok "Created Database"
 
 msg_info "Creating Databasus Service"

misc/build.func

@@ -3870,18 +3870,7 @@ EOF
     sleep 3
   fi
 
-  # Continue with standard container setup
   msg_info "Customizing LXC Container"
-
-  # # Install GPU userland if configured
-  # if [[ "${ENABLE_VAAPI:-0}" == "1" ]]; then
-  #   install_gpu_userland "VAAPI"
-  # fi
-
-  # if [[ "${ENABLE_NVIDIA:-0}" == "1" ]]; then
-  #   install_gpu_userland "NVIDIA"
-  # fi
-
   # Continue with standard container setup
   if [ "$var_os" == "alpine" ]; then
     sleep 3
@@ -3893,11 +3882,20 @@ EOF'
   else
     sleep 3
     LANG=${LANG:-en_US.UTF-8}
+
+    # Devuan templates don't include locales package by default - install it first
+    if [ "$var_os" == "devuan" ]; then
+      pct exec "$CTID" -- bash -c "apt-get update >/dev/null && apt-get install -y locales >/dev/null" || true
+    fi
+
+    # Only configure locale if locale.gen exists (some minimal templates don't have it)
+    if pct exec "$CTID" -- test -f /etc/locale.gen 2>/dev/null; then
       pct exec "$CTID" -- bash -c "sed -i \"/$LANG/ s/^# //\" /etc/locale.gen"
       pct exec "$CTID" -- bash -c "locale_line=\$(grep -v '^#' /etc/locale.gen | grep -E '^[a-zA-Z]' | awk '{print \$1}' | head -n 1) && \
       echo LANG=\$locale_line >/etc/default/locale && \
       locale-gen >/dev/null && \
       export LANG=\$locale_line"
+    fi
 
     if [[ -z "${tz:-}" ]]; then
       tz=$(timedatectl show --property=Timezone --value 2>/dev/null || echo "UTC")