Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM rocker/shiny:latest
 
 WORKDIR /code
 
-# Install system dependencies for R packages
+# System deps for common R packages + OpenMP (xgboost)
 RUN apt-get update && apt-get install -y \
     libcurl4-openssl-dev \
     libssl-dev \
@@ -16,31 +16,37 @@ RUN apt-get update && apt-get install -y \
     libfribidi-dev \
     libfreetype6-dev \
     libgit2-dev \
+    libgomp1 \
     && rm -rf /var/lib/apt/lists/*
 
 # Use binary Arrow when available
 ENV LIBARROW_BINARY=true
 
-# Install packages in a single run to minimize layers
+# Install CRAN packages (includes your new libraries)
 RUN install2.r --error --skipinstalled \
     shiny \
+    shinydashboard \
     DT \
     dplyr \
-    readxl \
+    ggplot2 \
+    tidyr \
+    stringr \
     scales \
+    maps \
+    mapproj \
+    arrow \
     readr \
+    xgboost \
     tidyverse \
     bslib \
     htmltools \
     shinyWidgets \
-    ggplot2 \
     grid \
     gridExtra \
     magick \
-    arrow \
     gt
 
-# Install gtExtras from GitHub (not on CRAN)
+# Optional: gtExtras (if you still use it)
 RUN R -e "install.packages('remotes'); remotes::install_github('jthomasmock/gtExtras')"
 
 COPY . /code