add dockerfile

Dockerfile

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+# syntax=docker/dockerfile:1
+# Keep this syntax directive! It's used to enable Docker BuildKit
+
+################################
+# BUILDER-BASE
+# Used to build deps + create our virtual environment
+################################
+
+# 1. use python:3.12.3-slim as the base image until https://github.com/pydantic/pydantic-core/issues/1292 gets resolved
+# 2. do not add --platform=$BUILDPLATFORM because the pydantic binaries must be resolved for the final architecture
+# Use a Python image with uv pre-installed
+FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS builder
+
+# Install the project into `/app`
+WORKDIR /app
+
+# Enable bytecode compilation
+ENV UV_COMPILE_BYTECODE=1
+
+# Copy from the cache instead of linking since it's a mounted volume
+ENV UV_LINK_MODE=copy
+
+RUN apt-get update \
+    && apt-get install --no-install-recommends -y \
+    # deps for building python deps
+    build-essential \
+    git \
+    # npm
+    npm \
+    # gcc
+    gcc \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=README.md,target=README.md \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    --mount=type=bind,source=src/backend/base/README.md,target=src/backend/base/README.md \
+    --mount=type=bind,source=src/backend/base/uv.lock,target=src/backend/base/uv.lock \
+    --mount=type=bind,source=src/backend/base/pyproject.toml,target=src/backend/base/pyproject.toml \
+    uv sync --frozen --no-install-project --no-editable
+
+ADD ./src /app/src
+
+COPY src/frontend /tmp/src/frontend
+WORKDIR /tmp/src/frontend
+RUN --mount=type=cache,target=/root/.npm \
+    npm ci \
+    && npm run build \
+    && cp -r build /app/src/backend/langflow/frontend \
+    && rm -rf /tmp/src/frontend
+
+WORKDIR /app
+ADD ./pyproject.toml /app/pyproject.toml
+ADD ./uv.lock /app/uv.lock
+ADD ./README.md /app/README.md
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --frozen --no-editable
+
+################################
+# RUNTIME
+# Setup user, utilities and copy the virtual environment only
+################################
+FROM python:3.12.3-slim AS runtime
+
+RUN useradd user -u 1000 -g 0 --no-create-home --home-dir /app/data
+COPY --from=builder --chown=1000 /app/.venv /app/.venv
+
+# Place executables in the environment at the front of the path
+ENV PATH="/app/.venv/bin:$PATH"
+
+LABEL org.opencontainers.image.title=langflow
+LABEL org.opencontainers.image.authors=['Langflow']
+LABEL org.opencontainers.image.licenses=MIT
+LABEL org.opencontainers.image.url=https://github.com/langflow-ai/langflow
+LABEL org.opencontainers.image.source=https://github.com/langflow-ai/langflow
+
+USER user
+WORKDIR /app
+
+ENV LANGFLOW_HOST=0.0.0.0
+ENV LANGFLOW_PORT=7860
+
+CMD ["langflow", "run"]