Fix docker entrypoint (#174)

Dockerfile

@@ -20,5 +20,6 @@ ENV username=username
 ENV password=password
 ENV exposeConfigPath=/src/config/expose.php
 
-CMD sed -i "s|username|${username}|g" ${exposeConfigPath} && sed -i "s|password|${password}|g" ${exposeConfigPath} && php expose serve ${domain} --port ${port} --validateAuthTokens
-ENTRYPOINT ["/src/expose"]
+COPY docker-entrypoint.sh /usr/bin/
+RUN chmod 755 /usr/bin/docker-entrypoint.sh
+ENTRYPOINT ["docker-entrypoint.sh"]

docker-entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+sed -i "s|username|${username}|g" ${exposeConfigPath} && sed -i "s|password|${password}|g" ${exposeConfigPath}
+
+if [[ $# -eq 0 ]]; then
+    exec /src/expose serve ${domain} --port ${port} --validateAuthTokens
+else
+    exec /src/expose "$@"
+fi