market-data-service/docker/entrypoint.sh

#!/bin/sh
set -e

echo "Starting Market Data Service API container..."

# Wait for database to be ready
if [ -f /usr/local/bin/wait-for-db.sh ]; then
    /usr/local/bin/wait-for-db.sh
else
    echo "Waiting for database using pg_isready..."
    host="${DB_HOST:-db}"
    port="${DB_PORT:-5432}"
    user="${DB_USER:-postgres}"
    max_attempts=30
    attempt=0
    
    while [ $attempt -lt $max_attempts ]; do
        if PGPASSWORD="${DB_PASSWORD}" pg_isready -h "$host" -p "$port" -U "$user" >/dev/null 2>&1; then
            echo "Database is ready!"
            break
        fi
        attempt=$((attempt + 1))
        echo "Waiting for database... ($attempt/$max_attempts)"
        sleep 2
    done
    
    if [ $attempt -eq $max_attempts ]; then
        echo "ERROR: Database failed to become ready"
        exit 1
    fi
fi

# Run database migrations
echo "Running database migrations..."
npx sequelize-cli db:migrate || {
    echo "ERROR: Database migration failed"
    exit 1
}

echo "Migrations completed successfully"

# Start the application
echo "Starting Node.js application..."
exec "$@"