diff --git a/mnemo_cards_backend/build_app.sh b/mnemo_cards_backend/build_app.sh
new file mode 100644
index 0000000..37aacfa
--- /dev/null
+++ b/mnemo_cards_backend/build_app.sh
@@ -0,0 +1,54 @@
+set -e -v
+
+cd ~/mnemo_cards_common
+git pull origin master
+dart pub get
+
+cd ~/mnemo_cards_common_backend
+git pull origin master
+dart pub get
+
+cd ~/mnemo_cards_backend
+dart pub get && dart compile exe --verbose lib/main.dart -o server_build.exe
+
+sudo systemctl stop mnemo_cards_server && true
+sleep 15
+sudo chmod 777 mnemo_cards_server.service
+sudo cp mnemo_cards_server.service /etc/systemd/system
+sudo cp server_build.exe server.exe
+rm server_build.exe
+
+# Проверяем наличие Let's Encrypt сертификатов для двойного режима
+if [ -d "/etc/letsencrypt/live/api.memo-cards.online" ]; then
+    echo "✅ Let's Encrypt сертификаты найдены. Запускаем в двойном режиме (HTTP + HTTPS)"
+    # Обновляем systemd сервис для двойного режима
+    sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe --dual --certs /etc/letsencrypt/live/api.memo-cards.online -a 0.0.0.0 -p 8443|' /etc/systemd/system/mnemo_cards_server.service
+else
+    echo "⚠️  Let's Encrypt сертификаты не найдены. Пытаемся создать..."
+
+    # Останавливаем сервер временно для получения сертификата
+    sudo systemctl stop mnemo_cards_server 2>/dev/null || true
+
+    # Пытаемся получить Let's Encrypt сертификат
+    echo "🔐 Получаем Let's Encrypt сертификат для домена api.memo-cards.online..."
+    if sudo certbot certonly --standalone -d api.memo-cards.online --non-interactive --agree-tos --email admin@api.memo-cards.online; then
+        echo "✅ Let's Encrypt сертификат успешно создан!"
+        echo "🚀 Запускаем в двойном режиме (HTTP + HTTPS)"
+        # Обновляем systemd сервис для двойного режима
+        sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe --dual --certs /etc/letsencrypt/live/api.memo-cards.online -a 0.0.0.0 -p 8443|' /etc/systemd/system/mnemo_cards_server.service
+    else
+        echo "❌ Не удалось создать Let's Encrypt сертификат. Запускаем в HTTP режиме"
+        echo "💡 Убедитесь, что:"
+        echo "   - Домен api.memo-cards.online указывает на этот сервер"
+        echo "   - Порт 80 доступен извне"
+        echo "   - Firewall разрешает входящие соединения на порт 80"
+        # Возвращаем обычный режим
+        sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe -a 0.0.0.0 -p 8443|' /etc/systemd/system/mnemo_cards_server.service
+    fi
+fi
+
+sudo systemctl daemon-reload
+sudo systemctl start mnemo_cards_server
+journalctl -u mnemo_cards_server --since "1min ago"
+
+
diff --git a/mnemo_cards_web_v2/deploy.sh b/mnemo_cards_web_v2/deploy.sh
new file mode 100755
index 0000000..cbaae88
--- /dev/null
+++ b/mnemo_cards_web_v2/deploy.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Wrapper script for deploying mnemo_cards_web_v2
+# This script uses the centralized deployment scripts from tools/deploy/web-app/
+
+set -e
+
+# Get the root directory
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+DEPLOY_SCRIPTS_DIR="$ROOT_DIR/tools/deploy/web-app"
+PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# Check if centralized deploy scripts exist
+if [ ! -f "$DEPLOY_SCRIPTS_DIR/deploy.sh" ]; then
+    echo "❌ Error: Centralized deploy scripts not found at $DEPLOY_SCRIPTS_DIR"
+    exit 1
+fi
+
+# Change to project directory (required for build to work)
+cd "$PROJECT_DIR"
+
+# Source config and run deploy
+source "$DEPLOY_SCRIPTS_DIR/config.sh"
+source "$DEPLOY_SCRIPTS_DIR/deploy.sh"
+
diff --git a/tools/ci/cd-deploy.yml b/tools/ci/cd-deploy.yml
deleted file mode 100644
index 70f494b..0000000
--- a/tools/ci/cd-deploy.yml
+++ /dev/null
@@ -1,92 +0,0 @@
-name: Deploy Applications
-
-on:
-  push:
-    branches: [ main, master ]
-  workflow_dispatch:
-    inputs:
-      component:
-        description: 'Component to deploy'
-        required: false
-        default: 'all'
-        type: choice
-        options:
-        - all
-        - backend
-        - web
-        - mobile
-
-jobs:
-  deploy-backend:
-    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || github.event_name == 'workflow_dispatch'
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v4
-
-    - name: Setup SSH
-      uses: webfactory/ssh-agent@v0.9.0
-      with:
-        ssh-private-key: ${{ secrets.DEPLOY_SSH_PRIVATE_KEY }}
-
-    - name: Add server to known hosts
-      run: |
-        mkdir -p ~/.ssh
-        ssh-keyscan -H 147.45.152.129 >> ~/.ssh/known_hosts
-
-    - name: Deploy backend
-      run: |
-        cd tools/deploy
-        chmod +x backend-build_app.sh
-        ./backend-build_app.sh
-
-  deploy-web:
-    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || github.event_name == 'workflow_dispatch'
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v4
-
-    - name: Setup SSH
-      uses: webfactory/ssh-agent@v0.9.0
-      with:
-        ssh-private-key: ${{ secrets.DEPLOY_SSH_PRIVATE_KEY }}
-
-    - name: Add server to known hosts
-      run: |
-        mkdir -p ~/.ssh
-        ssh-keyscan -H 147.45.152.129 >> ~/.ssh/known_hosts
-
-    - name: Deploy web app
-      run: |
-        cd tools/deploy/web-app
-        chmod +x deploy.sh
-        ./deploy.sh
-
-  deploy-mobile:
-    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v4
-
-    - name: Create release notes
-      run: |
-        echo "🚀 New release from $(date)" > release_notes.md
-        echo "" >> release_notes.md
-        echo "## Changes" >> release_notes.md
-        git log --oneline -10 >> release_notes.md
-
-    - name: Create GitHub release
-      uses: softprops/action-gh-release@v2
-      with:
-        tag_name: v$(date +%Y%m%d_%H%M%S)
-        name: "Release $(date +%Y-%m-%d)"
-        body_path: release_notes.md
-        draft: false
-        prerelease: false
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/tools/ci/deploy.yaml b/tools/ci/deploy.yaml
new file mode 100644
index 0000000..81ddc2a
--- /dev/null
+++ b/tools/ci/deploy.yaml
@@ -0,0 +1,80 @@
+name: Deploy Mnemo Cards
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy-backend:
+    name: Deploy Backend
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
+
+      - name: Sync Source Code
+        run: |
+          # Sync common packages
+          rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'doc' \
+            mnemo_cards_common \
+            mnemo_cards_common_backend \
+            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/
+
+          # Sync backend project
+          rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'server.exe' \
+            mnemo_cards_backend \
+            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/
+
+          # Sync build script
+          rsync -avz tools/deploy/backend/server_build.sh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/mnemo_cards_backend/
+          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "chmod +x ~/mnemo_cards_backend/server_build.sh"
+
+      - name: Trigger Remote Build
+        run: |
+          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "~/mnemo_cards_backend/server_build.sh"
+
+  deploy-web:
+    name: Deploy Web App
+    runs-on: ubuntu-latest
+    needs: deploy-backend
+    if: always() # Run even if backend fails (optional, but usually good to separate)
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.19.2' # Adjust version as needed
+          channel: 'stable'
+
+      - name: Setup SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
+
+      - name: Build Web App
+        run: |
+          cd mnemo_cards_web_v2
+          flutter pub get
+          flutter build web --release --dart-define=API_BASE_URL=https://api.memo-cards.online:8444 --dart2js-optimization=O4
+
+      - name: Deploy Web App
+        run: |
+          # Sync build artifacts
+          rsync -avz --delete build/web/ ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:/var/www/mnemo_cards/
+
+      - name: Fix Permissions
+        run: |
+          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "chown -R www-data:www-data /var/www/mnemo_cards && chmod -R 755 /var/www/mnemo_cards"
diff --git a/tools/deploy/backend/deploy_remote.sh b/tools/deploy/backend/deploy_remote.sh
new file mode 100755
index 0000000..a327735
--- /dev/null
+++ b/tools/deploy/backend/deploy_remote.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Script to trigger backend deployment on the remote server
+# Usage: ./deploy_remote.sh
+
+set -e
+
+# Configuration
+SERVER_IP="147.45.152.129"
+SERVER_USER="root"
+REMOTE_DIR="~/mnemo_cards_backend"
+BUILD_SCRIPT="./build_app.sh"
+
+# Colors
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+echo -e "${BLUE}[INFO]${NC} Starting backend deployment on ${SERVER_USER}@${SERVER_IP}..."
+
+# Sync source code
+echo -e "${BLUE}[INFO]${NC} Syncing source code to ${SERVER_USER}@${SERVER_IP}..."
+
+# Sync common packages first
+rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'doc' \
+    mnemo_cards_common \
+    mnemo_cards_common_backend \
+    "${SERVER_USER}@${SERVER_IP}:~/"
+
+# Sync backend project
+rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'server.exe' \
+    mnemo_cards_backend \
+    "${SERVER_USER}@${SERVER_IP}:~/"
+
+# Sync build script
+rsync -avz tools/deploy/backend/server_build.sh "${SERVER_USER}@${SERVER_IP}:~/mnemo_cards_backend/"
+ssh "${SERVER_USER}@${SERVER_IP}" "chmod +x ~/mnemo_cards_backend/server_build.sh"
+
+echo -e "${BLUE}[INFO]${NC} Triggering remote build..."
+
+# Execute remote build script
+ssh -t "${SERVER_USER}@${SERVER_IP}" "~/mnemo_cards_backend/server_build.sh"
+
+echo -e "${GREEN}[SUCCESS]${NC} Backend deployment triggered successfully!"
diff --git a/tools/deploy/backend/server_build.sh b/tools/deploy/backend/server_build.sh
new file mode 100644
index 0000000..7e96dc9
--- /dev/null
+++ b/tools/deploy/backend/server_build.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# Script to build backend on the server
+# This script assumes source code is already present (synced via rsync)
+# Usage: ./server_build.sh
+
+set -e -v
+
+# Go to backend directory
+cd ~/mnemo_cards_backend
+
+# Get dependencies and compile
+echo "📦 Getting dependencies..."
+dart pub get
+
+echo "🔨 Compiling server..."
+dart compile exe --verbose lib/main.dart -o server_build.exe
+
+# Stop service
+echo "🛑 Stopping service..."
+sudo systemctl stop mnemo_cards_server || true
+
+# Update service file
+echo "⚙️ Updating service configuration..."
+sudo chmod 777 mnemo_cards_server.service
+sudo cp mnemo_cards_server.service /etc/systemd/system/
+
+# Update executable
+echo "🔄 Replacing executable..."
+sudo cp server_build.exe server.exe
+rm server_build.exe
+
+# Check certificates and configure mode
+if [ -d "/etc/letsencrypt/live/api.memo-cards.online" ]; then
+    echo "✅ Let's Encrypt certificates found. Configuring dual mode..."
+    sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe --dual --certs /etc/letsencrypt/live/api.memo-cards.online -a 0.0.0.0 -p 8443|' /etc/systemd/system/mnemo_cards_server.service
+else
+    echo "⚠️ No certificates found. Configuring HTTP mode..."
+    sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe -a 0.0.0.0 -p 8443|' /etc/systemd/system/mnemo_cards_server.service
+fi
+
+# Reload and restart
+echo "🚀 Restarting service..."
+sudo systemctl daemon-reload
+sudo systemctl start mnemo_cards_server
+
+# Check status
+sleep 2
+systemctl status mnemo_cards_server --no-pager
diff --git a/tools/deploy/fix-git-permissions.sh b/tools/deploy/fix-git-permissions.sh
new file mode 100755
index 0000000..9acbd01
--- /dev/null
+++ b/tools/deploy/fix-git-permissions.sh
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# Script to fix git repository permissions
+# Fixes "insufficient permission for adding an object" error
+
+set -e
+
+SERVER_IP="147.45.152.129"
+SERVER_USER="root"
+REPO_PATH="/home/vscode/cards"
+
+echo "🔧 Fixing git repository permissions on server..."
+
+ssh "$SERVER_USER@$SERVER_IP" << 'EOF'
+    set -e
+    
+    REPO_PATH="/home/vscode/cards"
+    VSCODE_USER="vscode"
+    
+    echo "📝 Checking current ownership..."
+    echo "Current ownership of $REPO_PATH:"
+    ls -la "$REPO_PATH" | head -10
+    
+    echo ""
+    echo "🔄 Fixing ownership and permissions..."
+    
+    # Change ownership of entire repository to vscode user
+    chown -R $VSCODE_USER:$VSCODE_USER "$REPO_PATH"
+    
+    # Fix permissions
+    # Directories: rwxr-xr-x (755)
+    find "$REPO_PATH" -type d -exec chmod 755 {} \;
+    
+    # Files: rw-r--r-- (644)
+    find "$REPO_PATH" -type f -exec chmod 644 {} \;
+    
+    # Make scripts executable
+    find "$REPO_PATH" -type f -name "*.sh" -exec chmod 755 {} \;
+    
+    # Fix .git directory specifically
+    if [ -d "$REPO_PATH/.git" ]; then
+        echo "🔐 Fixing .git directory permissions..."
+        chown -R $VSCODE_USER:$VSCODE_USER "$REPO_PATH/.git"
+        chmod -R u+rwX "$REPO_PATH/.git"
+    fi
+    
+    # Fix all submodules
+    echo "📦 Fixing submodules if any..."
+    find "$REPO_PATH" -name ".git" -type d | while read gitdir; do
+        echo "  Fixing: $gitdir"
+        chown -R $VSCODE_USER:$VSCODE_USER "$gitdir"
+        chmod -R u+rwX "$gitdir"
+    done
+    
+    # Fix common subdirectories
+    for subdir in mnemo_cards_common mnemo_cards_backend mnemo_cards_web_v2 mnemo_cards_frontend_common; do
+        if [ -d "$REPO_PATH/$subdir" ]; then
+            echo "  Fixing: $REPO_PATH/$subdir"
+            chown -R $VSCODE_USER:$VSCODE_USER "$REPO_PATH/$subdir"
+            if [ -d "$REPO_PATH/$subdir/.git" ]; then
+                chmod -R u+rwX "$REPO_PATH/$subdir/.git"
+            fi
+        fi
+    done
+    
+    echo ""
+    echo "✅ Permissions fixed!"
+    echo ""
+    echo "📊 New ownership:"
+    ls -la "$REPO_PATH" | head -10
+    
+    echo ""
+    echo "🧪 Testing git status..."
+    cd "$REPO_PATH/mnemo_cards_common"
+    sudo -u $VSCODE_USER git status || echo "Git status check completed"
+    
+EOF
+
+echo ""
+echo "✅ Done! Git operations should now work without permission errors."
+echo "💡 Try running your deployment script again."
+
diff --git a/tools/deploy/fix-nginx-upload-limit.sh b/tools/deploy/fix-nginx-upload-limit.sh
new file mode 100755
index 0000000..8b79fd1
--- /dev/null
+++ b/tools/deploy/fix-nginx-upload-limit.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+# Script to fix nginx 413 error by increasing client_max_body_size
+# This script updates nginx configuration on the server for all domains
+# including Forgejo (git push), VSCode, and web apps
+
+set -e
+
+SERVER_IP="147.45.152.129"
+SERVER_USER="root"
+MAX_SIZE="100M"
+
+echo "🔧 Fixing nginx upload limit (413 error) on server..."
+
+ssh "$SERVER_USER@$SERVER_IP" << 'EOF'
+    set -e
+    
+    echo "📝 Checking current nginx configurations..."
+    
+    # Update global nginx config
+    if ! grep -q "client_max_body_size" /etc/nginx/nginx.conf; then
+        echo "Adding client_max_body_size to global nginx config..."
+        sed -i '/http {/a\    client_max_body_size 100M;' /etc/nginx/nginx.conf
+    else
+        echo "Updating existing client_max_body_size in global config..."
+        sed -i 's/client_max_body_size.*$/client_max_body_size 100M;/' /etc/nginx/nginx.conf
+    fi
+    
+    # Update all site configs in sites-available
+    echo "Updating all site configurations..."
+    for conf in /etc/nginx/sites-available/*; do
+        if [ -f "$conf" ]; then
+            echo "Processing: $conf"
+            
+            # Remove all existing client_max_body_size lines to avoid duplicates
+            sed -i '/client_max_body_size/d' "$conf"
+            
+            # Add client_max_body_size once in each server block (after first server_name)
+            # Use awk to add only once per server block
+            awk '
+            /server \{/ { in_server=1; added=0 }
+            /\}/ && in_server { in_server=0 }
+            { print }
+            /server_name/ && in_server && !added { 
+                print "    client_max_body_size 100M;"
+                added=1
+            }
+            ' "$conf" > "$conf.tmp" && mv "$conf.tmp" "$conf"
+        fi
+    done
+    
+    echo "🧪 Testing nginx configuration..."
+    /usr/sbin/nginx -t
+    
+    if [ $? -eq 0 ]; then
+        echo "✅ Nginx configuration is valid"
+        echo "🔄 Reloading nginx..."
+        /usr/bin/systemctl reload nginx
+        echo "✅ Nginx reloaded successfully"
+        
+        echo ""
+        echo "📊 Summary:"
+        echo "  - client_max_body_size set to 100M globally"
+        echo "  - All site configurations updated"
+        echo "  - Git push should now work without 413 errors"
+        echo ""
+        echo "Current client_max_body_size in configs:"
+        grep -r "client_max_body_size" /etc/nginx/ 2>/dev/null | grep -v ".default" || echo "  (checking...)"
+    else
+        echo "❌ Nginx configuration test failed"
+        exit 1
+    fi
+EOF
+
+echo ""
+echo "✅ Done! Git push should now work without 413 errors."
+echo "💡 If you still get 413, try increasing MAX_SIZE in this script."