Securely Deploy Static Website via Rsync with Configuration

#!/bin/bash

# Configuration Variables
REMOTE_USER="deploy_user"
REMOTE_HOST="your_server_ip_or_hostname"
REMOTE_PATH="/var/www/your_website"
LOCAL_BUILD_PATH="./dist/" # Path to your built static files
SSH_KEY="~/.ssh/id_rsa_deploy" # Path to your SSH private key

# Check if local build path exists
if [ ! -d "$LOCAL_BUILD_PATH" ]; then
    echo "Error: Local build path '$LOCAL_BUILD_PATH' not found."
    echo "Please ensure you have built your static site (e.g., npm run build)."
    exit 1
fi

echo "Starting deployment to $REMOTE_HOST:$REMOTE_PATH..."

# Rsync command for deployment
# -a: archive mode (preserves permissions, timestamps, etc.)
# -v: verbose output
# -z: compress file data during the transfer
# --delete: delete extra files on the receiver (remote) that are not in the sender (local)
# -e "ssh -i $SSH_KEY": specify SSH as the remote shell and use a specific identity file
rsync -avz --delete -e "ssh -i $SSH_KEY" "$LOCAL_BUILD_PATH" "$REMOTE_USER@$REMOTE_HOST:$REMOTE_PATH"

if [ $? -eq 0 ]; then
    echo "Deployment successful!"
else
    echo "Deployment failed! Check the rsync output for errors."
    exit 1
fi