Deploying Static Website via rsync with Exclusions and Dry Run

#!/bin/bash

# Configuration
LOCAL_BUILD_DIR="./public"
REMOTE_USER="webmaster"
REMOTE_HOST="your_server_ip_or_domain"
REMOTE_DEST_DIR="/var/www/html/your_site"

# Exclude list for rsync (relative to LOCAL_BUILD_DIR)
EXCLUDE_FILE="rsync-exclude.txt"

# Create a dummy exclude file for demonstration if it doesn't exist
if [ ! -f "$EXCLUDE_FILE" ]; then
  echo "temp_file.txt" > "$EXCLUDE_FILE"
  echo ".DS_Store" >> "$EXCLUDE_FILE"
  echo "node_modules/" >> "$EXCLUDE_FILE"
  echo "Created a sample $EXCLUDE_FILE."
fi

# Check if the local build directory exists
if [ ! -d "$LOCAL_BUILD_DIR" ]; then
  echo "Error: Local build directory '$LOCAL_BUILD_DIR' not found." >&2
  echo "Please run your build command first (e.g., 'npm run build')." >&2
  exit 1
fi

# Dry run for verification
echo "--- Performing Dry Run (no changes will be made) ---"
rsync -avz --dry-run --delete --exclude-from="$EXCLUDE_FILE" \
      "$LOCAL_BUILD_DIR/" "$REMOTE_USER@$REMOTE_HOST:$REMOTE_DEST_DIR/"

if [ $? -eq 0 ]; then
  echo "
Dry run completed successfully. Review the changes above."
  read -p "Proceed with actual deployment? (y/N) " CONFIRM
  if [[ "$CONFIRM" =~ ^[yY]$ ]]; then
    echo "--- Starting Actual Deployment ---"
    rsync -avz --delete --exclude-from="$EXCLUDE_FILE" \
          "$LOCAL_BUILD_DIR/" "$REMOTE_USER@$REMOTE_HOST:$REMOTE_DEST_DIR/"
    if [ $? -eq 0 ]; then
      echo "Deployment successful!"
    else
      echo "Error: Deployment failed." >&2
      exit 1
    fi
  else
    echo "Deployment cancelled."
    exit 0
  fi
else
  echo "Error during dry run. Aborting deployment." >&2
  exit 1
fi

echo "Script finished."