fix(image-service): enforce arm64 cpu architecture for tfjs-node in dockerfile

apps/image-service/Dockerfile

@@ -9,6 +9,8 @@ COPY . .
 # Note: Canvas needs build tools on Debian
 RUN apt-get update && apt-get install -y python3 make g++ libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev
 # Delete the prebuilt binary and force a clean rebuild from source for the correct container architecture
+ENV npm_config_arch=arm64
+ENV npm_config_target_arch=arm64
 RUN pnpm install --frozen-lockfile
 RUN for dir in $(find /app/node_modules -type d -path "*/@tensorflow/tfjs-node"); do \
     cd $dir && \