X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/418848d98ef1254285289a7a78724b89d790d76e..97bb0b235c6af5123875e045136f67dd1e0d1625:/Dockerfile

diff --git a/Dockerfile b/Dockerfile
index 01e194f4a..fa0ad5960 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,24 @@
-FROM ruby:2.6
+# Basic Dockerfile to run cookstyle linting
+# run: docker build -t chef-test .
+FROM ruby:3.1-alpine as build
 
+# Add Gem build requirements
+RUN apk add --no-cache build-base
+
+# Create app directory
 WORKDIR /app
 
-RUN apt-get update \
-	&& apt-get install -y --no-install-recommends libssl-dev
+# Add Gemfile and Gemfile.lock
+ADD Gemfile* ./
 
-ADD Gemfile* /app/
-RUN gem install bundler --no-document \
+# Install Gems
+RUN gem install bundler \
     && bundle config build.nokogiri --use-system-libraries \
-    && bundle install --jobs $(nproc) --retry 5
+    && bundle config --global jobs $(nproc) \
+    && bundle install
 
-ADD . /app/
+# Add repo
+ADD . .
 
+# Run linting
 RUN bundle exec cookstyle -f fuubar