fix: python autodetection in containerized env

python on containerized env will auto detects
only if file is not provided

docker/docker-python-entrypoint.sh

@@ -59,15 +59,17 @@ if [ -n "${TARGET_FILE}" ]; then
     esac
 fi
 
-if [ -f "${PROJECT_PATH}/requirements.txt" ]; then
-    echo "Found requirement.txt"
-    installRequirementsTxtDeps "${PROJECT_PATH}/requirements.txt"
-elif [ -f "${PROJECT_PATH}/setup.py" ]; then
-    echo "Found setup.py"
-    pip install -U -e "${PROJECT_PATH}"
-elif [ -f "${PROJECT_PATH}/Pipfile" ]; then
-    echo "Found Pipfile"
-    installPipfileDeps
+if [ -z "${TARGET_FILE}" ]; then
+    if [ -f "${PROJECT_PATH}/requirements.txt" ]; then
+        echo "Found requirement.txt"
+        installRequirementsTxtDeps "${PROJECT_PATH}/requirements.txt"
+    elif [ -f "${PROJECT_PATH}/setup.py" ]; then
+        echo "Found setup.py"
+        pip install -U -e "${PROJECT_PATH}"
+    elif [ -f "${PROJECT_PATH}/Pipfile" ]; then
+        echo "Found Pipfile"
+        installPipfileDeps
+    fi
 fi
 
 bash docker-entrypoint.sh "$@"