Thread by @psolymos

Rmarkdown is a reproducible authoring format in #rstats supporting dozens of static and dynamic output formats.

Let's review why and how you should containerize Rmd files!

Runtime: shiny - Add this to the document’s YAML header.

Now you can add Shiny widgets and #Shiny render functions to the file’s #rstats code chunks.

Use rmarkdown::run() as CMD in your Dockerfile

Runtime: shinyrmd - The doc is pre-rendered before deployment so that the HTML loads faster.

Add a rmarkdown::render() step in the Dockerfile

Notice that I am using the eddelbuettel/r2u based image by @eddelbuettel that brings previously unimaginable warp speed to the docker build process.

github.com/eddelbuettel/r…

@eddelbuettel Runtime: static - Render once and be done. Sinple.

Use the Nginx base image and COPY the locally rendered HTML.

Or use a multi-stage Docker build following @alexellisuk 's post (that inspired the official Docker docs): blog.alexellis.io/mutli-stage-do…

@eddelbuettel @alexellisuk What does this mean for #rmarkdown? You can use the Ubuntu based r2u image as a build environment, then inject the rendered HTML into the tiny Nginx image

@eddelbuettel @alexellisuk Read the whole post on the Hosting Data Apps website of you'd like to host #Rmarkdown docs with #Docker:

hosting.analythium.io/containerizing…

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