🧑‍💻 devcontainer for debugging with Ruby 2.5

Author: Peter H. Boling

.devcontainer/apt-install/devcontainer-feature.json

@@ -0,0 +1,9 @@
+{
+  "name": "Apt Install Packages",
+  "id": "apt-install",
+  "version": "1.0.0",
+  "description": "More packages are needed",
+  "install": {
+    "script": "install.sh"
+  }
+}

.devcontainer/apt-install/install.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+apt-get update -y
+apt-get install -y direnv default-jdk git zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libxml2-dev libxslt1-dev libcurl4-openssl-dev software-properties-common libffi-dev
+# Adds the direnv setup script to ~/.bashrc file (at the end)
+echo 'eval "$(direnv hook bash)"' >> ~/.bashrc

.devcontainer/devcontainer.json

@@ -0,0 +1,28 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/ruby
+{
+  "name": "Ruby 2.5 on Debian",
+  "image": "ruby:2.5-slim-buster", // Specify the Ruby 2.5 image
+  "postCreateCommand": "RUBYGEMS_VERSION=3.3.27\ngem install rubygems-update -v ${RUBYGEMS_VERSION} > /dev/null 2>&1\nupdate_rubygems > /dev/null 2>&1\n", // Optional: Run this command after the container is created
+
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  "features": {
+    "./apt-install": {}
+  },
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "ruby --version",
+
+	// Configure tool-specific properties.
+  "customizations" : {
+    "jetbrains" : {
+      "backend" : "RubyMine"
+    }
+  },
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}