Update Dockerfile

Dockerfile

@@ -1,17 +1,19 @@
-FROM rocker/shiny-verse:latest
+FROM rocker/shiny-verse:4.3.0
+
+# Workaround for renv cache
+RUN mkdir /.cache
+RUN chmod 777 /.cache
 
 WORKDIR /code
 
-# Install stable packages from CRAN
+# Install renv
 RUN install2.r --error \
-    ggExtra \
-    shiny
-
-# Install development packages from GitHub
-RUN installGithub.r \
-    rstudio/bslib \
-    rstudio/httpuv
+    renv
 
+# Copy application code
 COPY . .
 
+# Install dependencies
+RUN Rscript -e 'options(renv.config.cache.enabled = FALSE); renv::restore(prompt = FALSE)'
+
 CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]