Fix spurious opengl errrors

Dockerfile

@@ -16,7 +16,6 @@ USER root
 RUN echo "http://dl-2.alpinelinux.org/alpine/edge/main" > /etc/apk/repositories
 RUN echo "http://dl-2.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories
 RUN echo "http://dl-2.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
-RUN echo "http://dl-2.alpinelinux.org/alpine/v3.2/main" >> /etc/apk/repositories
 
 #-----------------
 # Set ENV and change mode
@@ -36,7 +35,6 @@ ENV GEOMETRY "$SCREEN_WIDTH""x""$SCREEN_HEIGHT""x""$SCREEN_DEPTH"
 
 RUN echo $TZ > /etc/timezone
 
-
 #-----------------
 # Add packages
 #-----------------
@@ -48,26 +46,15 @@ RUN apk -U --no-cache add \
     xvfb \
     wait4ports \
     xorg-server \
-    dbus-x11 \
     dbus \
     ttf-freefont \
-    mesa-dri-swrast \
-    git
-
-# DEV Version of lighthouse
+    mesa-dri-swrast
 
-RUN apk -U --no-cache add git
-RUN git clone https://github.com/GoogleChrome/lighthouse.git
-WORKDIR /lighthouse
-RUN npm -g install yarn
-RUN yarn install
-RUN cd ./lighthouse-core && yarn install
-RUN cd ./lighthouse-cli && yarn install && tsc
-RUN npm run install-all && npm run build-all && npm link
+RUN npm --global install yarn && yarn global add lighthouse
 
 # Minimize size
 
-RUN apk del --force curl make gcc g++ python linux-headers binutils-gold gnupg git
+RUN apk del --purge --force curl make gcc g++ python linux-headers binutils-gold gnupg git zlib-dev apk-tools libc-utils
 
 RUN rm -rf /var/lib/apt/lists/* \
     /var/cache/apk/* \
@@ -78,7 +65,6 @@ RUN rm -rf /var/lib/apt/lists/* \
     /usr/lib/node_modules/npm/html \
     /usr/lib/node_modules/npm/scripts
 
-
 ADD lighthouse-chromium-xvfb.sh /lighthouse/lighthouse-chromium-xvfb.sh
 
 VOLUME /lighthouse/output

lighthouse-chromium-xvfb.sh

@@ -30,13 +30,13 @@ export CHROME_DEBUGGING_PORT=9222
 # Start Xvfb
 Xvfb ${DISPLAY} -ac +iglx -screen 0 ${GEOMETRY} -nolisten tcp & xvfb=$!
 
-printf "Starting xvfb window server"
+printf "Starting xvfb window server..."
 
-while [  1 -gt $xvfb  ]; do printf "waiting for Xvfb to start: $xvfb"; sleep 1; done
+while [  1 -gt $xvfb  ]; do printf "..."; sleep 1; done
 
-printf "xvfb started"
+printf "xvfb started\n\n"
 
-printf "Starting chromium, with debugger on port $CHROME_DEBUGGING_POST"
+printf "Starting chromium, with debugger on port $CHROME_DEBUGGING_POST...\n\n"
 
 # --disable-webgl \
 
@@ -51,18 +51,16 @@ chromium=$!
 
 wait4ports tcp://127.0.0.1:$CHROME_DEBUGGING_PORT
 
-printf "chromium started"
-
-printf "launching lighthouse run"
+printf "\n\n==============================\nlaunching lighthouse run\n==============================\n\n"
 
 if [ "$testing" -eq "1" ]; then
    lighthouse --skip-autolaunch --disable-cpu-throttling --output-path=/tmp/test-report.html --output=html https://google.com
    if grep -q -F "Best Practice" /tmp/test-report*; then
-      printf "Test succeeded!";
+      printf "\n\n==============================\nTest succeeded!\n==============================\n";
       return 0;
    fi
 
-   printf "Test failed!";
+   printf "\n\n==============================\nTest failed!\n==============================\n";
    return 1;
 else
    lighthouse $@