Removing layers to compress docker container size

with @painchaudAlexandre we just remove some layer from our container to compress the container size

Author: ousamabenyounes

Dockerfile

@@ -1,19 +1,17 @@
 FROM    node:14-alpine
 
 # last commit=v1.12.0
-ENV     VERSION=develop  
+ENV     VERSION=develop
 ENV     CHROMIUM_VERSION 86.0.4240.111-r0
 
 
 WORKDIR /usr/src/ylt
 
-RUN     apk upgrade --update && apk --no-cache add git gcc make g++ zlib-dev libjpeg-turbo-dev nasm
-RUN     git clone https://github.com/gmetais/YellowLabTools.git -b ${VERSION} . \
+RUN     apk upgrade --update && apk --no-cache add git gcc make g++ zlib-dev libjpeg-turbo-dev nasm \
+  && git clone https://github.com/gmetais/YellowLabTools.git -b ${VERSION} . \
   && git checkout e9ab1fd \
-  && NODE_ENV=development && npm install --only=prod
-
-
-RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" > /etc/apk/repositories \
+  && NODE_ENV=development && npm install --only=prod \
+  && echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" > /etc/apk/repositories \
   && echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
   && echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
   && echo "http://dl-cdn.alpinelinux.org/alpine/v3.12/main" >> /etc/apk/repositories \
@@ -26,19 +24,16 @@ RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" > /etc/apk/repositorie
     freetype-dev \
     harfbuzz \
     nss \
-    ttf-freefont
-
-
+    ttf-freefont \
+  && which chromium-browser && chromium-browser --no-sandbox --version &&  chown -R nobody:nogroup . \
+  && rm -rf test doc
 
-RUN which chromium-browser
-RUN chromium-browser --no-sandbox --version
 
 
 # Tell Puppeteer to skip installing Chrome. We'll be using the installed binary
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
 
 
-RUN chown -R nobody:nogroup .
 
 # Run everything after as non-privileged user.
 USER nobody