Update Dockerfile

Dockerfile

@@ -2,7 +2,16 @@ FROM rocker/r-base:latest
 
 WORKDIR /code
 
+# Install system dependencies for magick and showtext
+RUN apt-get update && apt-get install -y \
+    libmagick++-dev \
+    libfontconfig1-dev \
+    libfreetype6-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install R packages from CRAN
 RUN install2.r --error \
+    remotes \
     shiny \
     dplyr \
     ggplot2 \
@@ -13,11 +22,9 @@ RUN install2.r --error \
     gridExtra \
     gtable
 
-RUN installGithub.r \
-    yixuan/showtext \
-    ropensci/magick
-    
+# Install packages from GitHub
+RUN R -e 'remotes::install_github(c("yixuan/showtext", "ropensci/magick"))'
 
 COPY . .
 
-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)"]