Set predictor working directory (#1573)

(cherry picked from commit f90eb74)

Author: deliahu

pkg/workloads/cortex/serve/init/bootloader.sh

@@ -116,7 +116,7 @@ if [ "$CORTEX_KIND" = "RealtimeAPI" ]; then
     # prepare uvicorn workers
     mkdir /run/uvicorn
     for i in $(seq 1 $CORTEX_PROCESSES_PER_REPLICA); do
-        create_s6_service "uvicorn-$((i-1))" "$source_env_file_cmd && exec env PYTHONUNBUFFERED=TRUE env PYTHONPATH=$PYTHONPATH:$CORTEX_PYTHON_PATH /opt/conda/envs/env/bin/python /src/cortex/serve/start/server.py /run/uvicorn/proc-$((i-1)).sock"
+        create_s6_service "uvicorn-$((i-1))" "cd /mnt/project && $source_env_file_cmd && exec env PYTHONUNBUFFERED=TRUE env PYTHONPATH=$PYTHONPATH:$CORTEX_PYTHON_PATH /opt/conda/envs/env/bin/python /src/cortex/serve/start/server.py /run/uvicorn/proc-$((i-1)).sock"
     done
 
     create_s6_service "nginx" "exec nginx -c /run/nginx.conf"
@@ -132,8 +132,8 @@ if [ "$CORTEX_KIND" = "RealtimeAPI" ]; then
 
 # prepare batch otherwise
 else
-    create_s6_service "batch" "$source_env_file_cmd && exec env PYTHONUNBUFFERED=TRUE env PYTHONPATH=$PYTHONPATH:$CORTEX_PYTHON_PATH /opt/conda/envs/env/bin/python /src/cortex/serve/start/batch.py"
+    create_s6_service "batch" "cd /mnt/project && $source_env_file_cmd && exec env PYTHONUNBUFFERED=TRUE env PYTHONPATH=$PYTHONPATH:$CORTEX_PYTHON_PATH /opt/conda/envs/env/bin/python /src/cortex/serve/start/batch.py"
 fi
 
 # create the python initialization service
-create_s6_service "py_init" "/opt/conda/envs/env/bin/python /src/cortex/serve/init/script.py"
+create_s6_service "py_init" "cd /mnt/project && /opt/conda/envs/env/bin/python /src/cortex/serve/init/script.py"