Update Dockerfile

Dockerfile

@@ -1,31 +1,46 @@
-FROM rocker/r-base:latest
+FROM rocker/r2u:latest
 
 WORKDIR /code
 
-# System dependencies needed for R packages
 RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
     libcurl4-openssl-dev \
     libssl-dev \
     libxml2-dev \
     libfontconfig1-dev \
     libfreetype6-dev \
     libpng-dev \
-    libtiff5-dev \
     libjpeg-dev \
+    libtiff5-dev \
     libharfbuzz-dev \
     libfribidi-dev \
+    zlib1g-dev \
+    libbz2-dev \
+    liblz4-dev \
+    libzstd-dev \
+    libsnappy-dev \
     python3 \
     python3-pip \
+    python3-dev \
+    libpython3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install Python huggingface_hub for reticulate
-RUN pip3 install --break-system-packages huggingface_hub
+# Python packages
+RUN pip3 install huggingface_hub --break-system-packages
 
-# Install R packages
-RUN install2.r --error \
+ENV RETICULATE_PYTHON=/usr/bin/python3
+
+# Install CRAN / r2u packages
+RUN install2.r --error --skipinstalled \
     shiny \
     DT \
+    dplyr \
+    tidyr \
+    readr \
+    stringr \
+    scales \
     htmltools \
+    ggplot2 \
     gt \
     gtExtras \
     plotly \
@@ -35,14 +50,10 @@ RUN install2.r --error \
     reticulate \
     recipes \
     httr \
-    fmsb \
-    dplyr \
-    tidyr \
-    stringr \
-    ggplot2 \
-    scales \
-    readr
+    fmsb
 
 COPY . .
 
-CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]
+EXPOSE 7860
+
+CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)