Update entrypoint to use GUIDELLM_BIN env variable

Author: strangiato

deploy/Containerfile

@@ -37,7 +37,8 @@ LABEL org.opencontainers.image.source="https://github.com/neuralmagic/guidellm"
 
 # Set the environment variable for the benchmark script
 # TODO: Replace with scenario environment variables
-ENV GUIDELLM_TARGET="http://localhost:8000" \
+ENV GUIDELLM_BIN="/opt/guidellm/bin/guidellm" \
+    GUIDELLM_TARGET="http://localhost:8000" \
     GUIDELLM_MODEL="neuralmagic/Meta-Llama-3.1-8B-Instruct-quantized.w4a16" \
     GUIDELLM_RATE_TYPE="sweep" \
     GUIDELLM_DATA="prompt_tokens=256,output_tokens=128" \

deploy/entrypoint.sh

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# Path to the guidellm binary
-guidellm_bin="/opt/guidellm/bin/guidellm"
+# guidellm executable with default
+guidellm_bin="${GUIDELLM_BIN:-/opt/guidellm/bin/guidellm}"
 
 # If we receive any arguments switch to guidellm command
 if [ $# -gt 0 ]; then