Update Dockerfile

Dockerfile

@@ -1,38 +1,32 @@
 FROM python:3.10-slim
 
-# ------------------------------------------------------------------
-# 1. Generic runtime flags + your own defaults
-# ------------------------------------------------------------------
+# 1. Install git for pip VCS installs + clean up apt lists
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends git \
+ && rm -rf /var/lib/apt/lists/*
+
+# 2. Generic runtime env flags
 ENV PIP_NO_CACHE_DIR=1 \
     PYTHONUNBUFFERED=1 \
     EMBED_MODEL=Seznam/simcse-small-e-czech \
     MIN_TOPIC_SIZE=10 \
     MAX_DOCS=5000
 
-# ------------------------------------------------------------------
-# 2. Writable cache directories for Hugging Face & sentence-transformers
-# ------------------------------------------------------------------
+# 3. Hugging Face / SBERT cache dirs (writable)
 ENV HF_HOME=/tmp/hfcache \
     TRANSFORMERS_CACHE=/tmp/hfcache \
-    SENTENCE_TRANSFORMERS_HOME=/tmp/hfcache
-RUN mkdir -p /tmp/hfcache && chmod -R 777 /tmp/hfcache
+    SENTENCE_TRANSFORMERS_HOME=/tmp/hfcache \
+    NUMBA_CACHE_DIR=/tmp/numba_cache
 
-# ------------------------------------------------------------------
-# 3. Writable cache dir for numba
-# ------------------------------------------------------------------
-ENV NUMBA_CACHE_DIR=/tmp/numba_cache
-RUN mkdir -p /tmp/numba_cache && chmod -R 777 /tmp/numba_cache
+RUN mkdir -p /tmp/hfcache /tmp/numba_cache \
+ && chmod -R 777 /tmp/hfcache /tmp/numba_cache
 
-# ------------------------------------------------------------------
-# 4. Install Python deps
-# ------------------------------------------------------------------
+# 4. Install Python deps in one shot
 WORKDIR /code
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# ------------------------------------------------------------------
-# 5. Pre-download the Czech SBERT and make that cache world-readable
-# ------------------------------------------------------------------
+# 5. Pre-download the Czech SBERT model so it’s cached ahead of runtime
 RUN python - <<'PY'
 from sentence_transformers import SentenceTransformer
 SentenceTransformer(
@@ -42,10 +36,7 @@ SentenceTransformer(
 PY
 RUN chmod -R 777 /tmp/hfcache
 
-# ------------------------------------------------------------------
-# 6. Copy your app and run
-# ------------------------------------------------------------------
+# 6. Copy app and expose/run
 COPY app.py .
-
 EXPOSE 7860
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]