added lock files
+# lock global
+touch /tmp/install.lock
+
+# lock
+touch /tmp/install-chromedriver.lock
+
export DEBIAN_FRONTEND=noninteractive \
&& apt-get update \
&& apt-get install \
@@ -16,3 +22,9 @@ export DEBIAN_FRONTEND=noninteractive \
&& unzip /tmp/driver.zip \
&& chmod 755 chromedriver \
&& mv chromedriver /usr/local/bin
+
+# unlock global
+rm /tmp/install.lock
+
+# unlock
+rm /tmp/install-chromedriver.lock
\ No newline at end of file
