diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 7c1d1adfe5..5349506471 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -3,12 +3,25 @@
 # The `exec` command replaces the current process with the new process, which
 # enables signal interactivity (e.g. Ctrl-C).
 
+## INPUT_CONFIG_DIR and INPUT_CONFIG_FILE relate to the `config_dir` and `config_file` inputs in GitHub Actions
+## The below is used by the GitHub Action
+
 ## Specify the working directory explicitly as GitHub Actions will overwrite it
-## Copy any config file specified by `INPUT_CONFIG_DIR` to the config directory (used by GitHub Actions)
+## Copy any config directory specified by `INPUT_CONFIG_DIR` to the config directory
 if [ -f "${INPUT_CONFIG_DIR}" ]; then
   cp "${INPUT_CONFIG_DIR}" /openactive-test-suite/config/
-  ## Reset INPUT_CONFIG_DIR so that the test suite does not use it
-  export INPUT_CONFIG_DIR=
+  ## Reset NODE_CONFIG_DIR so that the test suite does not use it, to ensure that this directory is used
+  export NODE_CONFIG_DIR=
+fi
+
+## Specify the working directory explicitly as GitHub Actions will overwrite it
+## Copy any config file specified by `INPUT_CONFIG_FILE` to the config directory
+if [ -f "${INPUT_CONFIG_FILE}" ]; then
+  cp "${INPUT_CONFIG_FILE}" /openactive-test-suite/config/dev.json
+  ## Configure test suite to use this file
+  export NODE_ENV=dev
+  export NODE_APP_INSTANCE=
+  export NODE_CONFIG_DIR=
 fi
 
 # Change directory and start the app