Adds support for dynamically setting CHROME_BIN

See https://github.com/schliflo/docker-puppeteer/issues/6 for context

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+# 2.0.9
+
+- Bumps puppeteer to 3.0.1
+
 # 2.0.0
 
 - Bumps puppeteer to `1.20.0`

Dockerfile

@@ -5,15 +5,8 @@ LABEL maintainer "Nemo <docker@captnemo.in>"
 ARG BUILD_DATE
 ARG VCS_REF
 
-ENV CHROME_REVISION=737027
-
 WORKDIR /app
 
-# So I can copy it to the above variable
-RUN ls "/usr/local/share/.config/yarn/global/node_modules/puppeteer/.local-chromium/"
-# Ensure that the chromium path hasn't changed (this fails the build early)
-RUN ls "/usr/local/share/.config/yarn/global/node_modules/puppeteer/.local-chromium/linux-$CHROME_REVISION/chrome-linux/chrome"
-
 COPY package.json package-lock.json /app/
 
 RUN npm install
@@ -25,10 +18,8 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.vcs-ref=$VCS_REF \
       org.label-schema.schema-version="1.0.0-rc1"
 
-COPY index.js server.js prom.js *.md /app/
+COPY index.js server.js prom.js *.md init.sh /app/
 
-ENV CHROME_BIN="/usr/local/share/.config/yarn/global/node_modules/puppeteer/.local-chromium/linux-$CHROME_REVISION/chrome-linux/chrome"
-
-ENTRYPOINT ["/usr/local/bin/node", "server.js"]
+ENTRYPOINT ["/app/init.sh"]
 
 EXPOSE 3000

README.md

@@ -62,6 +62,15 @@ You can pass the following environment variables:
 2.  `CHROME_BIN`: Set Chrome/Chromium executable path.
 3.  `DISABLE_HEADLESS`: If set, chrome will not launch in headless mode.
 
+# Usage
+
+## Docker
+
+If running via Docker, here are some simple cookbook configurations:
+
+docker run -it -p 3000:3000 -e captn3m0/prometheus-act-exporter
+: Run a simple test server locally in debug mode and test it on http://localhost:3000
+
 # LICENSE
 
 This is licensed under WTFPL. See COPYING file for the full text.

init.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+export CHROME_REVISION=$(node -e "console.log(require('/usr/local/share/.config/yarn/global/node_modules/puppeteer/package.json')['puppeteer']['chromium_revision'])")
+export CHROME_BIN="/usr/local/share/.config/yarn/global/node_modules/puppeteer/.local-chromium/linux-$CHROME_REVISION/chrome-linux/chrome"
+env
+ls -lah $CHROME_BIN
+echo $CHROME_BIN
+/usr/local/bin/node server.js $@