feat: Dockerfile - OpenEnv 5-step structure

Dockerfile

@@ -0,0 +1,34 @@
+# ── Base ──────────────────────────────────────────────────────────────────────
+FROM python:3.10-slim
+
+# System deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        gcc g++ git curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── Working dir ───────────────────────────────────────────────────────────────
+WORKDIR /app
+
+# ── Python deps ───────────────────────────────────────────────────────────────
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# ── Copy source ───────────────────────────────────────────────────────────────
+COPY models.py     .
+COPY client.py     .
+COPY openenv.yaml  .
+COPY server/       ./server/
+
+# ── Non-root user (HF Spaces security requirement) ────────────────────────────
+RUN useradd -m -u 1000 user && chown -R user /app
+USER user
+
+# ── Port ──────────────────────────────────────────────────────────────────────
+EXPOSE 7860
+
+# ── Health check ──────────────────────────────────────────────────────────────
+HEALTHCHECK --interval=30s --timeout=10s --start-period=20s \
+    CMD curl -f http://localhost:7860/health || exit 1
+
+# ── Entry — run the OpenEnv FastAPI server ────────────────────────────────────
+CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860"]