Django and React Deployment Script

combined_deploy.sh

#!/bin/bash
# Author: sh1mu7
# Date: 2024-02-06
# Description: Django deployment automation.
# Prompt for service name
# shellcheck disable=SC2162
#!/bin/bash
#!/bin/bash

echo "=== Deployment Automation Script ==="
echo "Choose deployment type:"
echo "1) React"
echo "2) Django"
read -p "Enter 1 or 2: " DEPLOY_TYPE

if [ "$DEPLOY_TYPE" == "1" ]; then
    # React deployment
    echo "=== React App Nginx Deployment Script ==="
    read -p "Enter your domain (e.g., example.com): " DOMAIN
    read -p "Enter absolute path to React dist/build folder: " REACT_PATH

    if [ ! -d "$REACT_PATH" ]; then
        echo "❌ Error: Directory does not exist: $REACT_PATH"
        exit 1
    fi

    NGINX_CONF="/etc/nginx/sites-available/$DOMAIN"

    sudo bash -c "cat > $NGINX_CONF" <<EOL
server {
    listen 80;
    server_name $DOMAIN;

    root $REACT_PATH;
    index index.html;

    location / {
        try_files \$uri /index.html;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|otf|eot)$ {
        expires 1y;
        access_log off;
        add_header Cache-Control "public";
    }

    error_page 404 /index.html;
}
EOL

    sudo ln -sf "$NGINX_CONF" "/etc/nginx/sites-enabled/"
    echo "🔧 Testing Nginx config..."
    sudo nginx -t

    if [ $? -eq 0 ]; then
        echo "✅ Reloading Nginx..."
        sudo systemctl reload nginx
    else
        echo "❌ Nginx config test failed. Fix the issues and try again."
        exit 1
    fi

    # Install SSL with Certbot
    echo "🔒 Installing Let's Encrypt SSL for $DOMAIN"
    sudo certbot --nginx -d "$DOMAIN"

    echo "🚀 React site deployed at https://$DOMAIN"

elif [ "$DEPLOY_TYPE" == "2" ]; then
    # Django deployment
    echo "=== Django App Deployment Script ==="
    read -p "Enter service name: " NAME
    read -p "Enter domain name: " DOMAIN
    read -p "Enter project directory: " PROJECT_DIR

    if [ -z "$NAME" ] || [ -z "$DOMAIN" ] || [ -z "$PROJECT_DIR" ]; then
        echo "❌ Missing required fields."
        exit 1
    fi

    [ -f "/etc/systemd/system/$NAME.service" ] && rm "/etc/systemd/system/$NAME.service"
    [ -f "/etc/systemd/system/$NAME.socket" ] && rm "/etc/systemd/system/$NAME.socket"
    [ -f "/etc/nginx/sites-available/$DOMAIN" ] && rm "/etc/nginx/sites-available/$DOMAIN"

    systemctl daemon-reload

    cat <<EOL > "/etc/systemd/system/$NAME.service"
[Unit]
Description=$NAME daemon
Requires=${NAME}.socket
After=network.target

[Service]
User=root
Group=www-data
WorkingDirectory=$PROJECT_DIR
ExecStart=$PROJECT_DIR/venv/bin/gunicorn Config.wsgi:application -w 2 --bind unix:/run/${NAME}.sock --access-logfile -

[Install]
WantedBy=multi-user.target
EOL

    cat <<EOL > "/etc/systemd/system/$NAME.socket"
[Unit]
Description=$NAME socket

[Socket]
ListenStream=/run/${NAME}.sock

[Install]
WantedBy=sockets.target
EOL

    cat <<EOL > "/etc/nginx/sites-available/$DOMAIN"
server {
    listen 80;
    server_name $DOMAIN;

    location = /favicon.ico {
        access_log off;
        log_not_found off;
    }

    location /static/ {
        root $PROJECT_DIR;
    }

    location /media/ {
        root $PROJECT_DIR;
    }

    location / {
        include proxy_params;
        proxy_pass http://unix:/run/${NAME}.sock;
    }

    client_max_body_size 20M;
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;
}
EOL

    [ ! -L "/etc/nginx/sites-enabled/$DOMAIN" ] && ln -s "/etc/nginx/sites-available/$DOMAIN" "/etc/nginx/sites-enabled/"

    systemctl daemon-reload
    systemctl restart "$NAME"
    systemctl reload nginx

    sudo certbot --nginx -d "$DOMAIN"

    systemctl restart "$NAME"
    systemctl reload nginx

    echo "✅ Django project deployed and secured at https://$DOMAIN"

else
    echo "❌ Invalid selection. Please choose 1 (React) or 2 (Django)."
    exit 1
fi