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refactor: Consolidate R package installations in Dockerfile #14

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usnavy13 merged 1 commit into from
Dec 27, 2025
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refactor: Consolidate R package installations in Dockerfile #14

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21 changes: 10 additions & 11 deletions docker/r.Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -19,17 +19,16 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
libx11-dev \
&& rm -rf /var/lib/apt/lists/*

# Layer 1: Core data manipulation packages (most stable)
RUN R -e "install.packages(c('dplyr', 'tidyr', 'data.table', 'magrittr'), repos='https://cran.rstudio.com/', dependencies=TRUE)"

# Layer 2: Visualization packages (including Cairo for graphics output)
RUN R -e "install.packages(c('ggplot2', 'lattice', 'scales', 'Cairo'), repos='https://cran.rstudio.com/', dependencies=TRUE)"

# Layer 3: Data I/O packages
RUN R -e "install.packages(c('readr', 'readxl', 'writexl', 'jsonlite', 'xml2'), repos='https://cran.rstudio.com/', dependencies=TRUE)"

# Layer 4: Statistics and utilities
RUN R -e "install.packages(c('stats', 'MASS', 'survival', 'lubridate', 'stringr', 'glue'), repos='https://cran.rstudio.com/', dependencies=TRUE)"
# Install all R packages in a single layer using Posit Package Manager
# - amd64: Downloads pre-compiled binaries (~5 min)
# - arm64: Compiles from source but single layer avoids redundant dependency builds
RUN R -e "options(repos = c(CRAN = 'https://packagemanager.posit.co/cran/__linux__/bookworm/latest')); \
install.packages(c( \
'dplyr', 'tidyr', 'data.table', 'magrittr', \
'ggplot2', 'lattice', 'scales', 'Cairo', \
'readr', 'readxl', 'writexl', 'jsonlite', 'xml2', \
'MASS', 'survival', 'lubridate', 'stringr', 'glue' \
))"

# Create non-root user
RUN groupadd -g 1001 codeuser && \
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