Upgrade Dockerfiles

Author: rick

spec/acceptance/Dockerfile.entitlements-github-plugin

@@ -1,4 +1,4 @@
-FROM ruby:2.7.5-buster
+FROM ruby:3.1-slim
 LABEL maintainer="GitHub Security Ops <opensource+entitlements-app@github.com>"
 ENV HOME /root
 ENV RELEASE=buster
@@ -9,7 +9,10 @@ WORKDIR /data/entitlements
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     build-essential \
     cmake \
-    ldap-utils
+    gcc \
+    ldap-utils \
+    make \
+    pkg-config
 
 # Install bundler
 RUN gem install bundler

spec/acceptance/github-server/Dockerfile

@@ -1,6 +1,14 @@
-FROM ruby:2.4.4
+FROM ruby:3.1-slim
 LABEL maintainer="GitHub Security Ops <opensource+entitlements-app@github.com>"
 
+# Install dependency packages for bootstrapping and running...
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    build-essential \
+    cmake \
+    gcc \
+    make \
+    pkg-config
+
 # Install gems
 ENV APP_HOME /app
 ENV HOME /root