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‎.devcontainer/Dockerfile

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# Source: https://github.com/a5chin/python-uv
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FROM debian:bookworm-slim AS builder
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ENV CARGO_HOME="/opt/.cargo"
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SHELL [ "/bin/bash", "-o", "pipefail", "-c" ]
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WORKDIR /opt
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# The installer requires curl (and certificates) to download the release archive
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# hadolint ignore=DL3008
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RUN apt-get update && \
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apt-get install -y --no-install-recommends ca-certificates curl
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# Run uv installer
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RUN curl -LsSf https://astral.sh/uv/install.sh | sh
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FROM mcr.microsoft.com/vscode/devcontainers/base:bookworm
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ENV CARGO_HOME="/opt/.cargo"
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ENV PATH="$CARGO_HOME/bin/:$PATH"
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ENV PYTHONUNBUFFERED=True
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ENV UV_LINK_MODE=copy
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WORKDIR /opt
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COPY --from=builder --chown=vscode: $CARGO_HOME $CARGO_HOME

‎.devcontainer/demo/README.md

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# Langflow Demo Codespace Readme
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These instructions will walk you through the process of running a Langflow demo via GitHub Codespaces.
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## Setup
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### Create a Codespace in GitHub
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To setup the demo, simply navigate to the Langflow repo, click the "+" button, and select "Create new Codespace". This will automatically create a new codespace in your browser, which you can use for the demo.
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### Wait for everything to install
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After the codespace is opened, you should see a new Terminal window in VS Code where langflow is installed. Once the install completes, `langflow` will launch the webserver and your application will be available via devcontainer port.
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Note: VS Code should prompt you with a button to push once the port is available.

‎.devcontainer/demo/devcontainer.json

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// For format details, see https://aka.ms/devcontainer.json. For config options, see the
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// README at: https://github.com/devcontainers/templates/tree/main/src/universal
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{
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"name": "Langflow Demo Container",
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// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
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"image": "mcr.microsoft.com/devcontainers/python:3.10",
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"features": {
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"ghcr.io/devcontainers/features/aws-cli:1": {},
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"ghcr.io/devcontainers/features/docker-in-docker": {},
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"ghcr.io/devcontainers/features/node": {}
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},
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"customizations": {
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"vscode": {
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"extensions": [
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"actboy168.tasks",
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"GitHub.copilot",
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"ms-python.python",
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"eamodio.gitlens",
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"GitHub.vscode-pull-request-github"
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]
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}
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},
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// Features to add to the dev container. More info: https://containers.dev/features.
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// "features": {},
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// Use 'forwardPorts' to make a list of ports inside the container available locally.
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// "forwardPorts": [],
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// Use 'postCreateCommand' to run commands after the container is created.
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"postCreateCommand": "pipx install 'langflow>=0.0.33' && langflow --host 0.0.0.0"
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// Configure tool-specific properties.
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// "customizations": {},
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// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
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// "remoteUser": "root"
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}

‎.devcontainer/devcontainer.json

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// For format details, see https://aka.ms/devcontainer.json. For config options, see the
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// README at: https://github.com/devcontainers/templates/tree/main/src/universal
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{
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"name": "Langflow Dev Container",
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"build": {
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"context": "..",
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"dockerfile": "Dockerfile"
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},
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// Features to add to the dev container. More info: https://containers.dev/features.
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"features": {
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"ghcr.io/devcontainers/features/node": {},
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"ghcr.io/dhoeric/features/hadolint:1": {}
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},
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// Use 'forwardPorts' to make a list of ports inside the container available locally.
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// "forwardPorts": [],
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// Use 'postCreateCommand' to run commands after the container is created.
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"postCreateCommand": "make install_frontend && make install_backend",
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"postStartCommand": "make init",
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// Configure tool-specific properties.
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"customizations": {
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"vscode": {
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"extensions": [
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"charliermarsh.ruff",
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"njpwerner.autodocstring",
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"oderwat.indent-rainbow",
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"exiasr.hadolint",
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"actboy168.tasks",
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"GitHub.copilot",
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"ms-python.python",
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"eamodio.gitlens",
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"ms-vscode.makefile-tools",
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"GitHub.vscode-pull-request-github"
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],
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"settings": {
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"terminal.integrated.defaultProfile.linux": "zsh",
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"terminal.integrated.profiles.linux": {
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"zsh": {
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"path": "/bin/zsh"
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}
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}
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}
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}
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},
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// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
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// "remoteUser": "root"
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"remoteUser": "vscode"
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}

‎.env.example

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# Description: Example of .env file
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# Usage: Copy this file to .env and change the values
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# according to your needs
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# Do not commit .env file to git
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# Do not change .env.example file
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# Config directory
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# Directory where files, logs and database will be stored
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# Example: LANGFLOW_CONFIG_DIR=~/.langflow
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LANGFLOW_CONFIG_DIR=
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# Save database in the config directory
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# Values: true, false
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# If false, the database will be saved in Langflow's root directory
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# This means that the database will be deleted when Langflow is uninstalled
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# and that the database will not be shared between different virtual environments
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# Example: LANGFLOW_SAVE_DB_IN_CONFIG_DIR=true
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LANGFLOW_SAVE_DB_IN_CONFIG_DIR=
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# Database URL
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# Postgres example: LANGFLOW_DATABASE_URL=postgresql://postgres:postgres@localhost:5432/langflow
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# SQLite example:
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LANGFLOW_DATABASE_URL=sqlite:///./langflow.db
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# Cache type
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LANGFLOW_LANGCHAIN_CACHE=SQLiteCache
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# Server host
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# Example: LANGFLOW_HOST=127.0.0.1
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LANGFLOW_HOST=
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# Worker processes
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# Example: LANGFLOW_WORKERS=1
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LANGFLOW_WORKERS=
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# Server port
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# Example: LANGFLOW_PORT=7860
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LANGFLOW_PORT=
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# Logging level
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# Example: LANGFLOW_LOG_LEVEL=critical
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LANGFLOW_LOG_LEVEL=
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# Path to the log file
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# Example: LANGFLOW_LOG_FILE=logs/langflow.log
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LANGFLOW_LOG_FILE=
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# Path to the frontend directory containing build files
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# Example: LANGFLOW_FRONTEND_PATH=/path/to/frontend/build/files
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LANGFLOW_FRONTEND_PATH=
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# Whether to open the browser after starting the server
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# Values: true, false
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# Example: LANGFLOW_OPEN_BROWSER=true
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LANGFLOW_OPEN_BROWSER=
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# Whether to remove API keys from the projects saved in the database
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# Values: true, false
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# Example: LANGFLOW_REMOVE_API_KEYS=false
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LANGFLOW_REMOVE_API_KEYS=
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# Whether to use RedisCache or ThreadingInMemoryCache or AsyncInMemoryCache
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# Values: async, memory, redis
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# Example: LANGFLOW_CACHE_TYPE=memory
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# If you want to use redis then the following environment variables must be set:
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# LANGFLOW_REDIS_HOST (default: localhost)
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# LANGFLOW_REDIS_PORT (default: 6379)
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# LANGFLOW_REDIS_DB (default: 0)
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# LANGFLOW_REDIS_CACHE_EXPIRE (default: 3600)
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LANGFLOW_CACHE_TYPE=
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# Set AUTO_LOGIN to false if you want to disable auto login
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# and use the login form to login. LANGFLOW_SUPERUSER and LANGFLOW_SUPERUSER_PASSWORD
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# must be set if AUTO_LOGIN is set to false
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# Values: true, false
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LANGFLOW_AUTO_LOGIN=
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# Superuser username
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# Example: LANGFLOW_SUPERUSER=admin
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LANGFLOW_SUPERUSER=
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# Superuser password
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# Example: LANGFLOW_SUPERUSER_PASSWORD=123456
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LANGFLOW_SUPERUSER_PASSWORD=
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# Should store environment variables in the database
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# Values: true, false
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LANGFLOW_STORE_ENVIRONMENT_VARIABLES=
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# STORE_URL
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# Example: LANGFLOW_STORE_URL=https://api.langflow.store
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# LANGFLOW_STORE_URL=
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# DOWNLOAD_WEBHOOK_URL
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#
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# LANGFLOW_DOWNLOAD_WEBHOOK_URL=
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# LIKE_WEBHOOK_URL
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#
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# LANGFLOW_LIKE_WEBHOOK_URL=
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# Value must finish with slash /
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#BACKEND_URL=http://localhost:7860/
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BACKEND_URL=

‎.eslintrc.json

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{
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"extends": [
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"eslint:recommended",
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"plugin:react/recommended",
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"plugin:prettier/recommended"
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],
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"plugins": [
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"react",
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"import-helpers",
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"prettier"
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],
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"parser": "@typescript-eslint/parser",
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"parserOptions": {
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"project": [
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"./tsconfig.node.json",
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"./tsconfig.json"
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],
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"extraFileExtensions:": [
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".mdx"
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],
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"extensions:": [
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".mdx"
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]
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},
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"env": {
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"browser": true,
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"es2021": true
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},
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"settings": {
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"react": {
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"version": "detect"
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}
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},
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"rules": {
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"no-console": "warn",
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"no-self-assign": "warn",
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"no-self-compare": "warn",
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"complexity": [
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"error",
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{
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"max": 15
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}
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],
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"indent": [
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"error",
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2,
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{
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"SwitchCase": 1
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}
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],
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"no-dupe-keys": "error",
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"no-invalid-regexp": "error",
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"no-undef": "error",
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"no-return-assign": "error",
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"no-redeclare": "error",
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"no-empty": "error",
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"no-await-in-loop": "error",
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"react/react-in-jsx-scope": 0,
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"node/exports-style": [
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"error",
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"module.exports"
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],
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"node/file-extension-in-import": [
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"error",
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"always"
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],
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"node/prefer-global/buffer": [
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"error",
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"always"
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],
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"node/prefer-global/console": [
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"error",
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"always"
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],
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"node/prefer-global/process": [
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"error",
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"always"
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],
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"node/prefer-global/url-search-params": [
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"error",
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"always"
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],
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"node/prefer-global/url": [
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"error",
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"always"
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],
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"node/prefer-promises/dns": "error",
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"node/prefer-promises/fs": "error"
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}
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}

‎.gitattributes

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# Set the default behavior, in case people don't have core.autocrlf set.
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* text eol=lf
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# Explicitly declare text files you want to always be normalized and converted
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# to native line endings on checkout.
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*.c text
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*.h text
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*.py text
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*.js text
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*.jsx text
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*.ts text
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*.tsx text
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*.md text
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*.mdx text
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*.yml text
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*.yaml text
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*.xml text
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*.csv text
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*.json text
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*.sh text
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*.Dockerfile text
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Dockerfile text
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# Declare files that will always have CRLF line endings on checkout.
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*.sln text eol=crlf
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# Denote all files that are truly binary and should not be modified.
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*.png binary
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*.jpg binary
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*.ico binary
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*.gif binary
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*.mp4 binary
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*.svg binary
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*.csv binary
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