Fix setup issues and add test script

Signed-off-by: Parth Thakkar <thakkarparth007@gmail.com>

tests/python_backend/docker-compose-without-gpus.yaml

@@ -0,0 +1,28 @@
+version: '3.3'
+services:
+  triton:
+    build:
+      context: ../../
+      dockerfile: Dockerfile
+    command: bash -c "CUDA_VISIBLE_DEVICES="${GPUS}" mpirun -n 1 --allow-run-as-root /opt/tritonserver/bin/tritonserver --model-repository=/model"
+    shm_size: '2gb'
+    volumes:
+      - ${MODEL_DIR}:/model
+      - ${HF_CACHE_DIR}:/root/.cache/huggingface
+    ports:
+      - "8000:8000"
+      - "8001:8001"
+      - "8002:8002"
+  copilot_proxy:
+    # For dockerhub version
+    # image: moyix/copilot_proxy:latest
+    # command: python3 -m flask run --host=0.0.0.0 --port=5000
+    # For local build
+    build:
+      context: ../../
+      dockerfile: copilot_proxy/Dockerfile
+    env_file:
+      # Automatically created via ./setup.sh
+      - test.env
+    ports:
+      - "${API_EXTERNAL_PORT}:5000"