diff --git a/data_copilot/main.py b/data_copilot/main.py
index e26abff..4036f0e 100644
--- a/data_copilot/main.py
+++ b/data_copilot/main.py
@@ -20,6 +20,7 @@ class BACKENDS(enum.Enum):
 
 
 STANDARD_BACKEND = BACKENDS.SQL
+BACKEND_HOST = ""
 
 
 def get_envs():
@@ -27,9 +28,9 @@ def get_envs():
         "JWT_SECRET_KEY": subprocess.check_output("openssl rand -hex 32", shell=True)
         .decode("utf-8")
         .strip(),
-        "BACKEND_HOST": "localhost:8000/api",
         "DB_CONNECTION_STRING": "sqlite:///data_copilot.db",
         "CELERY_BROKER_URL": "redis://localhost:6378/0",
+        "BACKEND_HOST": BACKEND_HOST,
         "OPENAI_API_KEY": os.environ.get("OPENAI_API_KEY"),
         "STORAGE_BACKEND": "volume://shared-fs/data",
         "ENVIRONMENT": "DEVELOPMENT",
@@ -43,7 +44,7 @@ def get_envs():
     return env
 
 
-def start_backend_server(log_level="INFO"):
+def start_backend_server(log_level="INFO", port=8000):
     if log_level.lower() not in (
         "critical",
         "error",
@@ -60,7 +61,7 @@ def start_backend_server(log_level="INFO"):
             "--host",
             "0.0.0.0",
             "--port",
-            "8000",
+            str(port),
             "--log-level",
             log_level.lower(),
         ],
@@ -72,7 +73,7 @@ def start_backend_server(log_level="INFO"):
     return backend_process
 
 
-def start_redis(log_level="INFO"):
+def start_redis(log_level="INFO", port=6378):
     if log_level.lower() not in ("debug", "verbose", "notice", "warning"):
         log_level = "warning"
 
@@ -80,7 +81,7 @@ def start_redis(log_level="INFO"):
         [
             "redis-server",
             "--port",
-            "6378",
+            str(port),
             "--appendonly",
             "yes",
             "--loglevel",
@@ -93,7 +94,9 @@ def start_redis(log_level="INFO"):
     return redis_process
 
 
-def start_frontend(log_level="INFO"):
+def start_frontend(
+    log_level="INFO", port=8080, backend_host="http://localhost:8000/api"
+):
     def _start_frontend():
         # Set up a logger for this thread, with the specified log level
         logger = logging.getLogger("Frontend")
@@ -122,7 +125,7 @@ def send_assets(path):
         def catch_all(path):
             return send_from_directory(app.static_folder, "index.html")
 
-        app.run(host="0.0.0.0", port=8080)
+        app.run(host="0.0.0.0", port=port)
 
     frontend_process = threading.Thread(target=_start_frontend, daemon=True)
     frontend_process.start()
@@ -221,8 +224,34 @@ def main():
     type=click.Choice([b.value for b in BACKENDS]),
     help=f"The backend to use for computation. Defaults to {STANDARD_BACKEND.value}",
 )
-def run(log_level, backend):
-    # check_free_ports()
+@click.option(
+    "--backend-port",
+    default=8000,
+    type=int,
+    help="The port to use for the backend.",
+)
+@click.option(
+    "--redis-port",
+    default=6378,
+    type=int,
+    help="The port to use for redis.",
+)
+@click.option(
+    "--frontend-port",
+    default=8080,
+    type=int,
+    help="The port to use for the frontend.",
+)
+@click.option(
+    "--backend-host",
+    default="http://localhost:8000/api",
+    type=str,
+    help="The host for the backend used by the frontend.",
+)
+def run(log_level, backend, backend_port, redis_port, frontend_port, backend_host):
+    global BACKEND_HOST
+    BACKEND_HOST = backend_host
+    check_free_ports(ports=[backend_port, redis_port, frontend_port])
 
     load_dotenv(".env")
 
@@ -237,9 +266,9 @@ def run(log_level, backend):
     load_dotenv(".env")
 
     worker_process = start_worker(log_level)
-    redis_process = start_redis(log_level)
-    backend_process = start_backend_server(log_level)
-    start_frontend(log_level)
+    redis_process = start_redis(log_level, redis_port)
+    backend_process = start_backend_server(log_level, backend_port)
+    start_frontend(log_level, frontend_port, backend_host)
 
     create_subprocess_logger(
         worker=worker_process,