diff --git a/README.md b/README.md
index 47371cc37..007fb0b05 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,19 @@ Using the binary from the Chromium snapshot bucket
 $ docker run -it --rm -p=0.0.0.0:9222:9222 --name=chrome-headless -v /tmp/chromedata/:/data alpeware/chrome-headless-trunk
 ```
 
+With custom Chrome options:
+
+```
+$ docker run -it --rm -p=0.0.0.0:9222:9222 --name=chrome-headless -v /tmp/chromedata/:/data  -e "CHROME_OPTS=--other-options" alpeware/chrome-headless-trunk
+```
+
+For operations not compatible with debug mode, include the NODEBUG variable:
+
+```
+$ docker run -it --rm -e "NODEBUG=1" -e "CHROME_OPTS=--dump-dom https://google.com" alpeware/chrome-headless-trunk
+```
+
+
 Inspired by
 - [beaufortfrancois](https://github.com/beaufortfrancois/download-chromium)
 - [National Library of Norway](https://github.com/nlnwa/docker-chrome-headless)
diff --git a/start.sh b/start.sh
index 3fc328f44..c9227a95b 100755
--- a/start.sh
+++ b/start.sh
@@ -3,7 +3,11 @@
 # Run the NSSDB updating utility in background
 import_cert.sh $HOME &
 
-CHROME_ARGS="--disable-gpu --headless --no-sandbox --remote-debugging-address=$DEBUG_ADDRESS --remote-debugging-port=$DEBUG_PORT --user-data-dir=/data --disable-dev-shm-usage"
+if [ -z "$NODEBUG" ]; then
+  DEBUG_OPTS="--remote-debugging-address=$DEBUG_ADDRESS --remote-debugging-port=$DEBUG_PORT"
+fi
+
+CHROME_ARGS="--disable-gpu --headless --no-sandbox $DEBUG_OPTS --user-data-dir=/data --disable-dev-shm-usage"
 
 if [ -n "$CHROME_OPTS" ]; then
   CHROME_ARGS="${CHROME_ARGS} ${CHROME_OPTS}"