Update Dockerfile

Dockerfile

@@ -2,13 +2,33 @@ FROM rocker/r-base:latest
 
 WORKDIR /code
 
+# Install system dependencies for building R packages and GitHub installs
+RUN apt-get update && apt-get install -y \
+    git \
+    libcurl4-openssl-dev \
+    libssl-dev \
+    libgit2-dev \
+  && rm -rf /var/lib/apt/lists/*
+
+# Install required R packages
 RUN install2.r --error \
     shiny \
-    dplyr \
     ggplot2 \
+    tidyr \
+    scales \
+    dplyr \
     readr \
-    ggExtra
-    
-COPY . .
+    ggExtra \
+    remotes
+
+# Install DescriptiveRepresentationCalculator from GitHub
+RUN R -e "remotes::install_github('cjerzak/DescriptiveRepresentationCalculator-software/DescriptiveRepresentationCalculator')"
+
+# Copy app code
+COPY . /code
+
+# Expose Shiny port
+EXPOSE 7860
 
-CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]
+# Launch the Shiny app
+CMD ["R", "--quiet", "-e", "shiny::runApp('/code', host='0.0.0.0', port=7860)"]