diff --git a/config/home.nix b/config/home.nix
index 6d5cd17..d93f32c 100644
--- a/config/home.nix
+++ b/config/home.nix
@@ -249,11 +249,72 @@
       "..." = "cd ../..";
       rebuild = "sudo nixos-rebuild switch";
       update = "sudo nixos-rebuild switch --upgrade";
+      c = "composer";
+      gclb = "git-cleanup-local-branches";
+      lzd = "lazydocker";
     };
 
     initContent = ''
       # Powerlevel10k Konfiguration laden (falls vorhanden)
       [[ -f ~/.p10k.zsh ]] && source ~/.p10k.zsh
+
+      function composer() {
+        mkdir -p "''${HOME}/.config/composer"
+        mkdir -p "''${HOME}/.cache/composer"
+
+        if ! ${pkgs.docker}/bin/docker network inspect db >/dev/null 2>&1; then
+          echo "Erstelle Docker-Netzwerk 'db'..."
+          ${pkgs.docker}/bin/docker network create db
+        fi
+
+        SSH_AUTH_PATH=$(readlink -f "''${SSH_AUTH_SOCK:-/dev/null}")
+
+        docker run -t \
+          --rm \
+          --user ''$(id -u):33 \
+          --env COMPOSER_CACHE_DIR=/cache \
+          --env SSH_AUTH_SOCK=/ssh-agent \
+          --env CI_HOST \
+          --env CI_PROJECT_DIR \
+          --env ENVIRONMENT_NAME \
+          --env INSTANCE_ID \
+          --env ADDITIONAL_CONFIG_FILE \
+          --env TYPO3_CONTEXT \
+          --env STAGE \
+          --network db \
+          --volume "''${SSH_AUTH_PATH}":/ssh-agent \
+          --volume /etc/passwd:/etc/passwd:ro \
+          --volume "''${HOME}":"''${HOME}" \
+          --volume "''${HOME}/.config/composer":/tmp \
+          --volume "''${HOME}/.cache/composer":/cache \
+          --volume "''${PWD%/}":/app \
+          evoweb/php:composer $@
+      }
+
+      function git-cleanup-local-branches {
+        ${pkgs.git}/bin/git fetch -p
+
+        FOR_EACH_REF=$(${pkgs.git}/bin/git for-each-ref --format '%(refname) %(upstream:track)' refs/heads)
+        GONE_BRANCHES=$(echo "''$FOR_EACH_REF" | ${pkgs.gawk}/bin/awk '$2 == "[gone]" {sub("refs/heads/", "", $1); print $1}')
+
+        if [ -z "''$GONE_BRANCHES" ]; then
+          echo "Found now orphan local branches."
+          exit 0
+        fi
+
+        for BRANCH in ''$GONE_BRANCHES; do
+          echo "Delete local branch: ''$BRANCH"
+          ${pkgs.git}/bin/git branch -D "''$BRANCH"
+        done
+      }
+
+      function lazydocker() {
+        mkdir -p ''$HOME/.config/lazydocker
+        docker run --rm -it \
+          --volume /var/run/docker.sock:/var/run/docker.sock \
+          --volume ''$HOME/.config/lazydocker:/.config/jesseduffield/lazydocker \
+          lazyteam/lazydocker
+      }
     '';
   };
   home.file.".p10k.zsh".source = ./config/p10k.zsh;