Upload dockerfile

dockerfile

@@ -0,0 +1,48 @@
+# syntax=docker/dockerfile:1.6
+
+# ===== Python base (3.9) =====
+ARG PY_BASE=python:3.9-slim
+FROM ${PY_BASE}
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    TOKENIZERS_PARALLELISM=false \
+    OMP_NUM_THREADS=1 \
+    TRANSFORMERS_CACHE=/cache/hf
+
+# ---- System deps (Tesseract + libs OpenCV wheels expect) ----
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates curl \
+    tesseract-ocr tesseract-ocr-eng tesseract-ocr-osd \
+    libgl1 libglib2.0-0 \
+ && rm -rf /var/lib/apt/lists/*
+
+# Tesseract language data path (Debian/Ubuntu)
+ENV TESSDATA_PREFIX=/usr/share/tesseract-ocr/4.00/tessdata
+
+# ---- App setup ----
+WORKDIR /app
+
+# Install Python deps first for better layer caching
+COPY requirements.txt .
+RUN python -m pip install --upgrade pip setuptools wheel \
+ && pip install -r requirements.txt \
+ && pip install https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.6.0/en_core_web_sm-3.6.0-py3-none-any.whl \
+ && python -m spacy validate
+
+# Copy the rest of your app
+COPY . .
+
+# Writable caches (for HF/torch/tmp)
+RUN mkdir -p /cache/hf /tmp && chmod -R 777 /cache /tmp
+
+# App port & healthcheck
+ENV PORT=8000
+EXPOSE 8000
+
+HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
+  CMD curl -fsS "http://127.0.0.1:${PORT}/health" || exit 1
+
+# Use $PORT when present (Render sets it), default to 8000 locally
+CMD ["sh","-c","uvicorn backend:app --host 0.0.0.0 --port ${PORT:-8000}"]