Record the image variant in each Dockerfile

docker/main/Dockerfile

@@ -381,6 +381,7 @@ FROM deps AS frigate
 
 WORKDIR /opt/frigate/
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=standard
 
 # Pre-compile bytecode so a read-only rootfs doesn't force re-parsing the
 # source tree on every boot (pip-installed packages are already compiled)

docker/rockchip/Dockerfile

@@ -25,6 +25,7 @@ RUN --mount=type=bind,from=rk-wheels,source=/rk-wheels,target=/deps/rk-wheels \
 
 WORKDIR /opt/frigate/
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=rk
 COPY docker/rockchip/COCO /COCO
 COPY docker/rockchip/conv2rknn.py /opt/conv2rknn.py
 

docker/rocm/Dockerfile

@@ -44,6 +44,7 @@ RUN echo "deb http://deb.debian.org/debian trixie main" > /etc/apt/sources.list.
 
 WORKDIR /opt/frigate
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=rocm
 
 RUN wget -q https://bootstrap.pypa.io/get-pip.py -O get-pip.py \
     && sed -i 's/args.append("setuptools")/args.append("setuptools==77.0.3")/' get-pip.py \

docker/rpi/Dockerfile

@@ -15,3 +15,4 @@ ENV INCLUDED_FFMPEG_VERSIONS="${DEFAULT_FFMPEG_VERSION}:${INCLUDED_FFMPEG_VERSIO
 
 WORKDIR /opt/frigate/
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=rpi

docker/synaptics/Dockerfile

@@ -22,6 +22,7 @@ pip3 install --no-deps -U /deps/synap-wheels/*.whl
 
 WORKDIR /opt/frigate/
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=synaptics
 
 COPY --from=synap1680-wheels /rootfs/usr/local/lib/*.so /usr/lib
 

docker/tensorrt/Dockerfile.amd64

@@ -25,6 +25,7 @@ RUN --mount=type=bind,from=trt-wheels,source=/trt-wheels,target=/deps/trt-wheels
     && pip3 install -U /deps/trt-wheels/*.whl
 
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=tensorrt
 COPY docker/tensorrt/detector/rootfs/etc/ld.so.conf.d /etc/ld.so.conf.d
 RUN ldconfig
 

docker/tensorrt/Dockerfile.arm64

@@ -151,6 +151,7 @@ RUN --mount=type=bind,from=trt-wheels,source=/trt-wheels,target=/deps/trt-wheels
 
 WORKDIR /opt/frigate/
 COPY --from=rootfs / /
+ENV FRIGATE_IMAGE_VARIANT=tensorrt-jp6
 
 # Fixes "Error importing detector runtime: /usr/lib/aarch64-linux-gnu/libstdc++.so.6: cannot allocate memory in static TLS block"
 ENV LD_PRELOAD /usr/lib/aarch64-linux-gnu/libstdc++.so.6