Add git, gh, ragg to python and pythonr images

Author: Robinlovelace

python/Dockerfile

@@ -1,11 +1,17 @@
 FROM python:3.12-slim-bookworm
 
-# Install wget, unzip, git, and build tools (needed for compiling packages like matplotlib)
-RUN apt update && apt install -y \
+# Install dependencies, git, and gh cli
+RUN apt-get update && apt-get install -y --no-install-recommends \
     wget \
     unzip \
     git \
     build-essential \
+    curl \
+    && curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
+    && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
+    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" > /etc/apt/sources.list.d/github-cli.list \
+    && apt-get update \
+    && apt-get install -y gh \
     && rm -rf /var/lib/apt/lists/*
 
 # Install quarto

pythonr/Dockerfile

@@ -1,18 +1,17 @@
 FROM ghcr.io/geocompx/python
 
-# Install R
+# Install R and locales
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    wget \
     ca-certificates \
     libcurl4-openssl-dev \
     libssl-dev \
     libxml2-dev \
     libtcl8.6 \
     libtk8.6 \
+    locales \
+    && locale-gen C.UTF-8 \
     && rm -rf /var/lib/apt/lists/*
 
-# Set up locale for R installation
-RUN apt-get update && apt-get install -y locales && locale-gen C.UTF-8 && rm -rf /var/lib/apt/lists/*
 ENV LANG=C.UTF-8
 ENV LC_ALL=C.UTF-8
 
@@ -42,11 +41,15 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     cmake \
     && rm -rf /var/lib/apt/lists/*
 
+# Install ragg and its dependencies for high-quality headless graphics
+RUN R -e "install.packages(c('ragg', 'systemfonts', 'textshaping'))"
+
+# Configure R to use ragg as the default graphics device
+RUN mkdir -p /etc/R && \
+    echo "options(repos = c(CRAN = 'https://cloud.r-project.org'))" > /etc/R/Rprofile.site && \
+    echo "if (requireNamespace('ragg', quietly = TRUE)) { options(device = ragg::agg_png) }" >> /etc/R/Rprofile.site && \
+    echo 'options(Ncpus = parallel::detectCores())' >> /etc/R/Rprofile.site
 
-# Configure rspm
-RUN mkdir -p /etc/R
-RUN echo 'options(repos = c(CRAN = "https://packagemanager.rstudio.com/all/latest"))' > /etc/R/Rprofile.site
-RUN echo 'options(Ncpus = parallel::detectCores())' >> /etc/R/Rprofile.site
 # Install sf:
 RUN R -e "install.packages('sf', repos = 'https://cloud.r-project.org')"
 # Install remotes for GitHub installs: