Update Dockerfile

Dockerfile

@@ -1,29 +1,14 @@
 # Use rocker/geospatial as the base image to include necessary geospatial libraries
 FROM rocker/geospatial:latest
 
+# Set the working directory inside the container
 WORKDIR /code
 
-# Install R packages without suggested packages to avoid issues with unavailable dependencies
-RUN install2.r --error --no-suggests --repos "https://cran.r-project.org" \
-    shiny \
-    shinydashboard \
-    dplyr \
-    readr \
-    sf \
-    cartogram \
-    ggplot2 \
-    rnaturalearth \
-    rnaturalearthdata \
-    countrycode \
-    DT \
-    ggExtra \
-    viridis
+# Install required R packages, excluding suggested dependencies to avoid rnaturalearthhires error
+RUN Rscript -e "install.packages(c('shiny', 'shinydashboard', 'dplyr', 'readr', 'sf', 'cartogram', 'ggplot2', 'rnaturalearth', 'rnaturalearthdata', 'countrycode', 'DT', 'ggExtra', 'viridis'), dependencies = c('Depends', 'Imports', 'LinkingTo'), repos = 'https://cran.r-project.org')"
 
-# Copy the application code into the container
+# Copy the current directory (containing app.R and data) into the container
 COPY . .
 
-# Expose the port that Shiny will run on
-EXPOSE 7860
-
 # Run the Shiny app
-CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]
+CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]