backend redesign

test/history_client/Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install dependencies for the OHLCClient library
+RUN pip install --no-cache-dir \
+    pyzmq \
+    protobuf>=4.25.0 \
+    pyiceberg>=0.6.0 \
+    pyarrow>=14.0.0 \
+    pandas>=2.0.0 \
+    pyyaml>=6.0
+
+# Copy test scripts
+COPY client.py .
+COPY client_async.py .
+COPY client_ohlc_api.py .
+
+# Make them executable
+RUN chmod +x *.py
+
+# Default command uses the new OHLCClient-based test
+CMD ["python", "client_ohlc_api.py"]