feat: add LangFlow FastAPI example

This commit adds a FastAPI example that starts up a LangFlow instance. The example includes a README.md file with instructions on how to use the example, a main.py file, a pyproject.toml file with dependencies, a railway.json file with deployment configuration, and a requirements.txt file with the LangFlow dependency.
langflow-ai · May 16, 2023 · a887073 · a887073
commit a887073
Show file tree

Hide file tree

Showing 5 changed files with 52 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -0,0 +1,24 @@
+---
+title: LangFlow
+description: A LangFlow instance.
+tags:
+ - langflow
+ - python
+---
+
+# FastAPI Example
+
+This example starts up a [LangFlow](https://github.com/logspace-ai/langflow.git) instance.
+
+<!-- [![Deploy on Railway](https://railway.app/button.svg)]() -->
+## ✨ Features
+
+- LangFlow
+- Python 3
+
+## 💁‍♀️ How to use
+
+- Deploy using the button 👆
+- Clone locally and install packages with Pip using `pip install -r requirements.txt` or Poetry using `poetry install`
+- Connect to your project using `railway link`
+- Run locally using `langflow`
diff --git a/main.py b/main.py
diff --git a/pyproject.toml b/pyproject.toml
@@ -0,0 +1,16 @@
+[tool.poetry]
+name = "railway-langflow-template"
+version = "0.1.0"
+description = "This example starts up LangFlow"
+authors = ["Gabriel Almeida <[email protected]>"]
+license = "MIT"
+
+[tool.poetry.dependencies]
+python = "^3.10"
+langflow = "*"
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
diff --git a/railway.json b/railway.json
@@ -0,0 +1,11 @@
+{
+ "$schema": "https://railway.app/railway.schema.json",
+ "build": {
+ "builder": "NIXPACKS"
+ },
+ "deploy": {
+ "startCommand": "pyhton -m langflow --host 0.0.0.0 --port $PORT",
+ "restartPolicyType": "ON_FAILURE",
+ "restartPolicyMaxRetries": 10
+ }
+}
diff --git a/requirements.txt b/requirements.txt
@@ -0,0 +1 @@
+langflow