Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM rocker/r-base:latest
 
 WORKDIR /code
 
-# Install system dependencies for magick and curl
+# Install system dependencies for httpuv, magick, curl and other packages
 RUN apt-get update && apt-get install -y \
     libmagick++-dev \
     imagemagick \
@@ -12,9 +12,15 @@ RUN apt-get update && apt-get install -y \
     libfreetype6-dev \
     libharfbuzz-dev \
     libfribidi-dev \
+    libxml2-dev \
+    libcairo2-dev \
+    libxt-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install R packages from CRAN - added httr
+# First install httpuv explicitly before shiny
+RUN R -e 'install.packages("httpuv", repos="https://cloud.r-project.org")'
+
+# Install R packages from CRAN
 RUN install2.r --error \
     remotes \
     curl \
@@ -31,13 +37,15 @@ RUN install2.r --error \
     jsonlite \
     arrow
 
-# Install magick separately to better handle any errors
+# Install magick separately
 RUN R -e 'install.packages("magick", repos="https://cloud.r-project.org")'
 
-# Install showtext from GitHub after other dependencies are in place
+# Install showtext from GitHub
 RUN R -e 'remotes::install_github("yixuan/showtext")'
 
+# Install fonts
 RUN apt-get update && apt-get install -y fonts-roboto
+
 COPY . .
 
 CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]