add setup script

setup_build_server.sh

@@ -0,0 +1,80 @@
+#!/bin/bash
+set -e
+
+# -----------------------------
+# Variablen anpassen
+# -----------------------------
+REPO_URL="https://gitea.malmert.de/marcus/mitm-webserver.git"
+APP_DIR="/opt/mitm-webserver"
+FRONTEND_DIR="$APP_DIR/frontend"
+BACKEND_DIR="$APP_DIR/backend"
+BACKEND_SERVICE="mitm-backend"
+NGINX_SITE="/etc/nginx/sites-available/mitm-webserver"
+USER_ROOT="root"
+
+GITEA_RUNNER_URL="https://gitea.malmert.de//api/v1/repos/marcus/mitm-webserver/actions/runners/register"
+RUNNER_TOKEN="Kjwkep8nEQet05z1syzi7FSaZZh1Zt340GdJauNt"
+RUNNER_NAME="mitm-runner"
+
+NODE_VERSION="lts/*"   # aktuelle LTS Version
+PYTHON_VERSION="3"    # aktuelle Python 3 Version
+
+# -----------------------------
+# System aktualisieren & Pakete installieren
+# -----------------------------
+echo "==> Update & Upgrade"
+apt update && apt upgrade -y
+apt install -y git curl build-essential nginx python3 python3-pip python3-venv unzip wget
+
+# -----------------------------
+# Node.js installieren (LTS)
+# -----------------------------
+echo "==> Install Node.js LTS"
+curl -fsSL https://deb.nodesource.com/setup_lts.x | bash -
+apt install -y nodejs
+
+# -----------------------------
+# Repository clonen / pull
+# -----------------------------
+echo "==> Setup repository"
+if [ ! -d "$APP_DIR" ]; then
+    git clone "$REPO_URL" "$APP_DIR"
+else
+    cd "$APP_DIR"
+    git reset --hard
+    git pull
+fi
+
+# -----------------------------
+# Frontend bauen
+# -----------------------------
+echo "==> Build Frontend"
+cd "$FRONTEND_DIR"
+npm install
+npm run build
+
+# -----------------------------
+# Backend vorbereiten
+# -----------------------------
+echo "==> Setup Backend"
+cd "$BACKEND_DIR"
+python3 -m venv venv
+source venv/bin/activate
+pip install --upgrade pip
+pip install -r requirements.txt
+deactivate
+
+# -----------------------------
+# Systemd Service für Backend
+# -----------------------------
+echo "==> Setup Systemd Service"
+cat >/etc/systemd/system/$BACKEND_SERVICE.service <<EOL
+[Unit]
+Description=MITM Backend
+After=network.target
+
+[Service]
+User=$USER_ROOT
+WorkingDirectory=$BACKEND_DIR
+ExecStart=$BACKEND_DIR/venv/bin/uvicorn src.main:app --host 0.0.0.0 --port 8000
+Restar