Update Dockerfile

Author: katherinehebert

Dockerfile

@@ -1,6 +1,15 @@
-FROM rocker/shiny:4.2.1
-RUN install2.r rsconnect htmltools bslib mapgl shiny shinythemes
-WORKDIR /home/mapthegap
-COPY app.R app.R 
-COPY deploy.R deploy.R
-CMD Rscript deploy.R
+# Base R Shiny image
+FROM rocker/geospatial
+
+# Make a directory in the container
+RUN mkdir /home/mapthegap
+
+# Install R dependencies
+RUN R -e "install.packages(c('pak')); \
+          pak::pak(c('mapgl'))"
+
+# Copy the Shiny app code
+COPY app.R /home/mapthegap/app.R
+
+# Run the R Shiny app
+CMD ["R", "-e", "library(shiny); setwd('/home/mapthegap/'); addResourcePath('www', '/home/mapthegap/www'); source('app.R')"]