Docker - run using --no-sandbox (we are already in a isolated namespace)

See jessfraz/dockerfiles#65 (comment)

Dockerfile

@@ -13,12 +13,14 @@ RUN apk update && apk upgrade && \
       ttf-freefont@edge
 
 WORKDIR /opt/phantomas
+ENV HOME /opt/phantomas
 
 # Tell Puppeteer to skip installing Chrome. We'll be using the installed package.
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
 
-# Tell phantomas were Chromium binary is
+# Tell phantomas where Chromium binary is and that we're in docker
 ENV PHANTOMAS_CHROMIUM_EXECUTABLE /usr/bin/chromium-browser
+ENV DOCKERIZED yes
 
 # Add user so we don't need --no-sandbox.
 RUN addgroup -S phantomas && adduser -S -g phantomas phantomas \

lib/browser.js

@@ -34,6 +34,13 @@ Browser.prototype.init = async () => {
         options.executablePath = env['PHANTOMAS_CHROMIUM_EXECUTABLE'];
     }
 
+    // allow Chromium to be run inside a container
+    // @see https://github.com/jessfraz/dockerfiles/issues/65
+    if (env['DOCKERIZED']) {
+        debug('Docker environment detected, enabling -no-sandbox switch');
+        options.args.push('--no-sandbox');
+    }
+
     debug('Launching Puppeteer: %j', options);
 
     try {