API Dockerfile: install camera SDK from local tarball under camera_sdk; compose: build API image and set LD_LIBRARY_PATH fallback

api/Dockerfile

@@ -0,0 +1,25 @@
+# API development image with Huateng Vision SDK (local bundle)
+FROM python:3.11-slim
+
+# Install system dependencies required by SDK and tooling
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates tar \
+    libusb-1.0-0 libgl1 libx11-6 libxext6 libxcb1 libgtk-3-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy SDK bundle placed under api/camera_sdk and install native libs
+WORKDIR /app
+COPY camera_sdk /tmp/camera_sdk
+
+RUN set -eux; \
+    mkdir -p /opt/mvsdk; \
+    TARBALL="$(find /tmp/camera_sdk -maxdepth 1 -type f -name '*.tar.gz' | head -n1)"; \
+    if [ -z "$TARBALL" ]; then echo 'No SDK .tar.gz found in camera_sdk'; exit 1; fi; \
+    tar -xzf "$TARBALL" -C /opt/mvsdk || true; \
+    # Copy any .so library files into /usr/lib so ctypes can load libMVSDK.so
+    find /opt/mvsdk -type f -name '*.so*' -exec cp -n {} /usr/lib/ \; || true; \
+    ldconfig || true
+
+ENV LD_LIBRARY_PATH=/usr/lib:/usr/local/lib
+
+# The actual app code is bind-mounted by docker-compose at runtime

docker-compose.yml

@@ -2,15 +2,20 @@ version: "3.9"
 
 services:
   api:
-    image: python:3.11-slim
+    build:
+      context: ./api
+      dockerfile: Dockerfile
     working_dir: /app
     volumes:
       - ./api:/app
       - ./api/storage:/storage
     environment:
       - PYTHONUNBUFFERED=1
+      - LD_LIBRARY_PATH=/usr/local/lib:/app/camera_sdk/lib
     command: >
       sh -lc "
+        apt-get update && apt-get install -y libusb-1.0-0-dev;
+        if [ -d camera_sdk/lib ]; then cp camera_sdk/lib/* /usr/local/lib/ 2>/dev/null || true; fi;
         if [ -f requirements.txt ]; then pip install --no-cache-dir -r requirements.txt; else pip install --no-cache-dir -e .; fi;
         python main.py --config config.compose.json
       "
@@ -47,4 +52,3 @@ services:
 volumes:
   mosquitto-data:
   mosquitto-conf:
-