Update Dockerfile

Dockerfile

@@ -17,8 +17,9 @@ RUN apt-get update -y && apt-get install -y google-cloud-sdk
 
 # You can include additional commands to configure or use the gcloud CLI here
 # For example, you can authenticate with your service account key file:
- COPY your-service-account-key.json /tmp/key.json
- RUN gcloud auth activate-service-account --key-file=/tmp/key.json
+COPY your-service-account-key.json /tmp/key.json
+ENV GOOGLE_APPLICATION_CREDENTIALS=/tmp/key.json
+RUN gcloud auth activate-service-account --key-file=${GOOGLE_APPLICATION_CREDENTIALS}
 
 # ... further instructions ...
 ENV NVIDIA_VISIBLE_DEVICES all