Update app.py

app.py

@@ -0,0 +1,59 @@
+import os
+import subprocess
+import secrets
+import string
+
+def generate_secure_string(length=32):
+    """Generate a secure random string."""
+    alphabet = string.ascii_letters + string.digits
+    return ''.join(secrets.choice(alphabet) for _ in range(length))
+
+def run_langfuse():
+    # Hardcoded configuration with dynamically generated secrets
+    env_vars = {
+        # Postgres database - using SQLite as a simple alternative
+        'DATABASE_URL': 'file:///data/langfuse.db',
+        
+        # Dynamically generated secrets
+        'NEXTAUTH_URL': 'https://chris4k-langfuse.hf.space',
+        'NEXTAUTH_SECRET': generate_secure_string(64),
+        'SALT': generate_secure_string(32),
+        'ENCRYPTION_KEY': secrets.token_hex(32),  # 64-character hex string
+        
+        # Additional configuration
+        'HOSTNAME': '0.0.0.0',
+        'PORT': '3000',
+        
+        # Disable signup if needed
+        'AUTH_DISABLE_SIGNUP': 'false',
+        
+        # Optional: Initial user creation
+        'LANGFUSE_INIT_USER_EMAIL': 'admin@example.com',
+        'LANGFUSE_INIT_USER_PASSWORD': generate_secure_string(12),
+    }
+
+    # Pull Langfuse Docker image
+    subprocess.run(['docker', 'pull', 'langfuse/langfuse:latest'], check=True)
+
+    # Prepare Docker run command
+    docker_cmd = [
+        'docker', 'run', '-d',
+        '-p', '3000:3000',
+        '-v', '/data:/data'  # Persist data
+    ]
+
+    # Add environment variables
+    for key, value in env_vars.items():
+        docker_cmd.extend(['-e', f'{key}={value}'])
+
+    docker_cmd.append('langfuse/langfuse:latest')
+
+    # Run the container
+    subprocess.run(docker_cmd, check=True)
+
+    print("Langfuse is running!")
+    print(f"Initial admin email: {env_vars['LANGFUSE_INIT_USER_EMAIL']}")
+    print(f"Initial admin password: {env_vars['LANGFUSE_INIT_USER_PASSWORD']}")
+
+if __name__ == "__main__":
+    run_langfuse()