remove renv from r2u and add new option pak

.github/workflows/pak.yml

@@ -0,0 +1,18 @@
+name: R packages from pak
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - run: docker build -f pak.Dockerfile -t my-pak-name .
+    - run: docker run --rm --name my_pak_container -v /github/workspace/output/:/workspace/output/:rw my-pak-name
+    - uses: actions/upload-artifact@v3
+      with:
+        path: /github/workspace/output/

Dockerfile

@@ -2,7 +2,7 @@ FROM rocker/r2u:22.04
 
 WORKDIR /workspace
 
-RUN R -e "install.packages(c('dplyr', 'purrr', 'curl', 'readr', 'stringr', 'ggplot2', 'janitor', 'targets', 'renv'))"
+RUN R -e "install.packages(c('dplyr', 'purrr', 'curl', 'readr', 'stringr', 'ggplot2', 'janitor', 'targets'))"
 
 COPY _targets.R functions.R /workspace
 

pak.Dockerfile

@@ -0,0 +1,13 @@
+FROM rocker/r-ver:4.3
+
+WORKDIR /workspace
+
+RUN R -e "install.packages('pak');pak::pak(c('dplyr', 'purrr', 'curl', 'readr', 'stringr', 'ggplot2', 'janitor', 'targets'))"
+
+COPY _targets.R functions.R /workspace
+
+CMD R -e "sessionInfo(); \
+list.files(); \
+# options(renv.config.dependencies.limit = Inf);  \
+renv::snapshot(lockfile = 'output/renv.lock'); \
+targets::tar_make();"