Update Dockerfile

Dockerfile

@@ -1,18 +1,30 @@
-FROM rocker/r-base:latest
+FROM rocker/shiny:latest
+ENV DEBIAN_FRONTEND=noninteractive
 
-RUN R -e "install.packages('remotes', repos='https://cloud.r-project.org')"
-RUN R -e "remotes::install_github('lapop-central/lapop', force=TRUE, build_vignettes=FALSE)"
+# Install system libs required to build 'systemfonts' and other R packages
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    pkg-config \
+    libfontconfig1-dev \
+    libfreetype6-dev \
+    libpng-dev \
+    libharfbuzz-dev \
+    libfribidi-dev \
+    libssl-dev \
+    libxml2-dev \
+    libcurl4-openssl-dev \
+    ca-certificates \
+    git \
+  && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /code
+# Install remotes and the lapop package (and any other R deps)
+RUN R -e "install.packages('remotes', repos='https://cloud.r-project.org')"
+RUN R -e "remotes::install_github('lapop-central/lapop', dependencies=TRUE, build_vignettes=FALSE, upgrade='never')"
 
-RUN install2.r --error \
-    shiny \
-    dplyr \
-    ggplot2 \
-    readr \
-    remotes \
-    ggExtra
-    
-COPY . .
+# (Optional) Install any CRAN packages you need (or let packages.R handle it)
+RUN R -e "install.packages(c('shiny','dplyr','ggplot2','readr','ggExtra'), repos='https://cloud.r-project.org')"
 
-CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]
+COPY . /srv/shiny-server/
+WORKDIR /srv/shiny-server/
+EXPOSE 7860
+CMD ["R", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]