Create Dockerfile

Dockerfile

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+# Dockerfile for LangFlow on Hugging Face Spaces
+
+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    LANG=C.UTF-8 \
+    LC_ALL=C.UTF-8
+
+# Set work directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends gcc libpq-dev build-essential \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Poetry (Python dependency manager)
+RUN pip install --no-cache-dir poetry
+
+# Copy project files
+COPY . /app
+
+# Install dependencies
+RUN poetry config virtualenvs.create false \
+    && poetry install --no-interaction --no-ansi
+
+# Set environment variable for PostgreSQL
+ENV DATABASE_URL=postgres://avnadmin:AVNS_GqgQl5crS6BcPDzp3jC@pg-lentera-budgetcontrol.e.aivencloud.com:24559/defaultdb?sslmode=require
+
+# Hugging Face Spaces require the app to listen on port 7860
+EXPOSE 7860
+
+# Run LangFlow
+CMD ["poetry", "run", "langflow", "--host", "0.0.0.0", "--port", "7860"]