Feature/multistage (#16)

Co-authored-by: CJ Yetman <[email protected]>

.github/workflows/build-and-push-Docker-image.yml

@@ -50,3 +50,4 @@ jobs:
           tags: ${{ steps.image-name.outputs.full-image-name }}
           cache-from: type=gha
           cache-to: type=gha,mode=min
+          no-cache-filters: install-pacta

Dockerfile

@@ -9,7 +9,7 @@
 
 # set proper base image
 ARG R_VERS="4.3.1"
-FROM rocker/r-ver:$R_VERS
+FROM rocker/r-ver:$R_VERS AS base
 
 # set Docker image labels
 LABEL org.opencontainers.image.source=https://github.com/RMI-PACTA/workflow.pacta
@@ -46,6 +46,8 @@ RUN echo "options(repos = c(CRAN = '$CRAN_REPO'), pkg.sysreqs = FALSE)" >> "${R_
       # install packages for dependency resolution and installation
       && Rscript -e "install.packages('pak'); pak::pkg_install('renv')"
 
+FROM base AS install-pacta
+
 # copy in everything from this repo
 COPY . /