feat: add modal cloud builder

builder/modal-builder/src/template/data/deps.json

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+[
+    
+]

builder/modal-builder/src/template/data/extra_model_paths.yaml

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+comfyui:
+    base_path: /runpod-volume/ComfyUI/
+    checkpoints: models/checkpoints/
+    clip: models/clip/
+    clip_vision: models/clip_vision/
+    configs: models/configs/
+    controlnet: models/controlnet/
+    embeddings: models/embeddings/
+    loras: models/loras/
+    upscale_models: models/upscale_models/
+    vae: models/vae/

builder/modal-builder/src/template/data/install_deps.py

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+import json
+import requests
+import time
+import subprocess
+
+command = ["python3", "/comfyui/main.py", "--disable-auto-launch", "--disable-metadata", "--cpu"]
+# Start the server
+server_process = subprocess.Popen(command)
+
+def check_server(url, retries=50, delay=500):
+    for i in range(retries):
+        try:
+            response = requests.head(url)
+
+            # If the response status code is 200, the server is up and running
+            if response.status_code == 200:
+                print(f"builder - API is reachable")
+                return True
+        except requests.RequestException as e:
+            # If an exception occurs, the server may not be ready
+            pass
+
+        # Wait for the specified delay before retrying
+        time.sleep(delay / 1000)
+
+    print(
+        f"builder- Failed to connect to server at {url} after {retries} attempts."
+    )
+    return False
+
+check_server("http://127.0.0.1:8188")
+
+url = "http://127.0.0.1:8188/customnode/install"
+headers = {"Content-Type": "application/json"}
+
+# Load JSON array from deps.json
+with open('deps.json') as f:
+    packages = json.load(f)
+
+# Make a POST request for each package
+for package in packages:
+    response = requests.request("POST", url, json=package, headers=headers)
+    print(response.text)
+
+# restore_snapshot_url = "http://127.0.0.1:8188/snapshot/restore?target=snapshot"
+# response = requests.request("GET", restore_snapshot_url, headers=headers)
+# print(response.text)
+
+# Close the server
+server_process.terminate()
+print("Finished installing dependencies.")

builder/modal-builder/src/template/data/snapshot.json

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+{
+    "comfyui": "d0165d819afe76bd4e6bdd710eb5f3e571b6a804",
+    "git_custom_nodes": {},
+    "file_custom_nodes": []
+}

builder/modal-builder/src/template/data/start.sh

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+#!/usr/bin/env bash
+
+# Your custom startup commands here.
+
+echo "Starting modal"
+exec "$@" # Runs the command passed to the entrypoint script.