diff --git a/cd.sh b/cd.sh
index ea77f6d..9039eb9 100644
--- a/cd.sh
+++ b/cd.sh
@@ -1,11 +1,17 @@
 #! /usr/bin/env sh
 
-set "cd" "rwx"
+[ "${CD_DNS}" ] || CD_DNS="\
+9.9.9.9 \
+"
+CD_PYTHON_MODULES="\
+cd \
+rwx \
+"
 
+# steps
 cd_main () {
     cd_set_environment
-    cd_set_dns_resolving \
-    "9.9.9.9"
+    cd_set_dns_resolving ${CD_DNS}
     cd_set_packages_repositories
     cd_set_packages_configuration
     cd_set_https_verification_off
@@ -20,28 +26,38 @@ cd_main () {
     cd_install_git
     cd_install_python
     cd_clean_packages_cache
-    cd_install_python_modules "${@}"
-    cd_execute_python_module "${@}"
+    cd_install_python_modules ${CD_PYTHON_MODULES}
+    cd_execute_python_module ${CD_PYTHON_MODULES}
 }
 
-#
+# functions
 
 cd_set_environment () {
     cd_step "Set environment"
+    #
     CD_DNS_FILE="/etc/resolv.conf"
+    CD_GIT_PACKAGE="git"
+    CD_PYTHON_COMMAND="python3"
     #
     case "${CD_OS_NAME}" in
         "debian")
-            CD_PYTHON_COMMAND="python3"
+            CD_PYTHON_PACKAGE="python3"
             CD_PYTHON_PACKAGES="/usr/lib/python3/dist-packages"
             case "${CD_OS_VERSION}" in
-                "bookworm")
-                    echo "TODO"
-                ;;
-                *) cd_error_os "CD_OS_VERSION=" ;;
+                "bookworm") echo "TODO" ;;
+                *) cd_error_os "CD_OS_VERSION" ;;
             esac
         ;;
-        *) cd_error_os "CD_OS_NAME=" ;;
+        "alma")
+            case "${CD_OS_VERSION}" in
+                "8")
+                    CD_PYTHON_PACKAGE="python3.11"
+                    CD_PYTHON_PACKAGES="/usr/lib64/python3.11/site-packages"
+                ;;
+                *) cd_error_os "CD_OS_VERSION" ;;
+            esac
+        ;;
+        *) cd_error_os "CD_OS_NAME" ;;
     esac
     # ci / github
     if [ "${GITHUB_ACTIONS}" ] ; then
@@ -111,6 +127,7 @@ deb https://deb.debian.org/debian-security bookworm-security main
 "
             cd_cat "/etc/apt/sources.list"
         ;;
+        "alma") echo "TODO" ;;
         *) cd_error_os "cd_set_packages_repositories" ;;
     esac
 }
@@ -129,6 +146,7 @@ Dir::Etc::SourceParts \"\";
 "
             cd_cat "/etc/apt/apt.conf.d/apt.conf"
         ;;
+        "alma") echo "TODO" ;;
         *) cd_error_os "cd_set_packages_configuration" ;;
     esac
 }
@@ -142,6 +160,7 @@ Acquire::https::Verify-Peer False;
 "
             cd_cat "/etc/apt/apt.conf.d/https"
         ;;
+        "alma") echo "TODO" ;;
         *) cd_error_os "cd_set_https_verification_off" ;;
     esac
 }
@@ -150,6 +169,7 @@ cd_update_packages_catalog () {
     cd_step "Update packages catalog"
     case "${CD_OS_NAME}" in
         "debian") apt-get update || exit ;;
+        "alma") dnf makecache || exit ;;
         *) cd_error_os "cd_update_packages_catalog" ;;
     esac
 }
@@ -158,6 +178,7 @@ cd_install_packages_tools () {
     cd_step "Install packages tools"
     case "${CD_OS_NAME}" in
         "debian") cd_install_package "apt-utils" ;;
+        "alma") echo "TODO" ;;
         *) cd_error_os "cd_install_packages_tools" ;;
     esac
 }
@@ -166,6 +187,7 @@ cd_install_ca () {
     cd_step "Install CA"
     case "${CD_OS_NAME}" in
         "debian") cd_install_package "ca-certificates" ;;
+        "alma") echo "TODO" ;;
         *) cd_error_os "cd_install_ca" ;;
     esac
 }
@@ -175,6 +197,7 @@ local target
     cd_step "Copy CA"
     case "${CD_OS_NAME}" in
         "debian") target="/usr/local/share/ca-certificates" ;;
+        "alma") target="/etc/pki/ca-trust/source/anchors" ;;
         *) cd_error_os "cd_copy_ca" ;;
     esac
     # TODO copy
@@ -184,6 +207,7 @@ cd_update_ca () {
     cd_step "Update CA"
     case "${CD_OS_NAME}" in
         "debian") update-ca-certificates || exit ;;
+        "alma") update-ca-trust || exit ;;
         *) cd_error_os "cd_update_ca" ;;
     esac
 }
@@ -192,6 +216,7 @@ cd_set_https_verification_on () {
     cd_step "Set HTTPS verification on"
     case "${CD_OS_NAME}" in
         "debian") cd_rm "/etc/apt/apt.conf.d/https" ;;
+        "alma") echo "TODO" ;;
         *) cd_error_os "cd_set_https_verification_on" ;;
     esac
 }
@@ -199,31 +224,27 @@ cd_set_https_verification_on () {
 cd_upgrade_packages () {
     cd_step "Upgrade packages"
     case "${CD_OS_NAME}" in
-        "debian") apt-get upgrade --yes || exit ;;
+        "debian") apt-get upgrade --assume-yes || exit ;;
+        "alma") dnf upgrade --assumeyes || exit ;;
         *) cd_error_os "cd_upgrade_packages" ;;
     esac
 }
 
 cd_install_git () {
     cd_step "Install Git"
-    case "${CD_OS_NAME}" in
-        "debian") cd_install_package "git" ;;
-        *) cd_error_os "cd_install_git" ;;
-    esac
+    cd_install_package "${CD_GIT_PACKAGE}"
 }
 
 cd_install_python () {
     cd_step "Install Python"
-    case "${CD_OS_NAME}" in
-        "debian") cd_install_package "python3" ;;
-        *) cd_error_os "cd_install_python" ;;
-    esac
+    cd_install_package "${CD_PYTHON_PACKAGE}" ;;
 }
 
 cd_clean_packages_cache () {
     cd_step "Clean packages cache"
     case "${CD_OS_NAME}" in
         "debian") apt-get clean || exit ;;
+        "alma") dnf clean all || exit ;;
         *) cd_error_os "cd_clean_packages_cache" ;;
     esac
 }
@@ -270,11 +291,11 @@ ${1}
     "${CD_PYTHON_COMMAND}" -m "${1}" "${CD_STEP}" "${self}"
 }
 
-#
+# tools
 
 cd_cat () {
     if [ -f "${1}" ] ; then
-        echo "⋅$(realpath "${1}")"
+        echo "╭$(realpath "${1}")"
         cat "${1}" || exit
     fi
 }
@@ -291,7 +312,8 @@ cd_error_os () {
 cd_install_package () {
     if [ "${1}" ] ; then
         case "${CD_OS_NAME}" in
-            "debian") apt-get install --yes "${1}" || exit ;;
+            "debian") apt-get install --assume-yes "${1}" || exit ;;
+            "alma") dnf install --assumeyes "${1}" || exit ;;
             *) exit 1 ;;
         esac
     fi
@@ -307,7 +329,7 @@ cd_rm () {
 cd_step () {
     if [ "${1}" ] ; then
         CD_STEP=$((CD_STEP+1))
-        echo "\
+        echo -n "\
 ╭─╌┄┈
 │ ${CD_STEP} ${1}
 ╰─╌┄┈
@@ -325,6 +347,5 @@ local text="${2}"
     fi
 }
 
-#
-
-cd_main "${@}"
+# main
+cd_main
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..95f9c4b
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,14 @@
+# Continuous Deployment
+
+## Features
+
+* [ ] detect
+  * [ ] OS name
+  * [ ] OS version
+* [X] handle CI platforms
+  * [X] ForgeJo / Gitea / GitHub
+  * [X] GitLab
+
+## Tasks
+
+* use constants for OS names