Update Dockerfile

Dockerfile

@@ -1,12 +1,8 @@
 FROM rocker/shiny:latest
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    imagemagick \
     libmagick++-dev \
-    libwebp-dev \
     libpng-dev \
-    libjpeg-dev \
-    libtiff5-dev \
     libssl-dev \
     libcurl4-openssl-dev \
     libxml2-dev \
@@ -14,22 +10,22 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libfreetype6-dev \
     libharfbuzz-dev \
     libfribidi-dev \
-    libgl1-mesa-dev \
+    chromium \
+    chromium-driver \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 RUN install2.r --error --skipinstalled \
     shiny \
     dplyr \
     ggplot2 \
-    readr \
-    ggExtra \
     gridExtra \
     gt \
     gtExtras \
     stringr \
     zip \
     png \
-    magick
+    magick \
+    webshot2
 
 WORKDIR /code