diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 00000000..578ce5f0
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,29 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.194.0/containers/ruby/.devcontainer/base.Dockerfile
+
+# [Choice] Ruby version: 3, 3.0, 2, 2.7, 2.6
+ARG VARIANT="2.7"
+FROM mcr.microsoft.com/vscode/devcontainers/ruby:0-${VARIANT}
+
+# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="10"
+RUN if [ "${NODE_VERSION}" != "none" ]; then \
+  su vscode -c "umask 0002 \
+    && . /usr/local/share/nvm/nvm.sh \
+    && nvm install ${NODE_VERSION} 2>&1"; \
+fi
+
+# Install PhantomJS dependencies
+RUN export DEBIAN_FRONTEND=noninteractive \
+  && apt-get update \
+  && apt-get -y install --no-install-recommends \
+  libfontconfig
+
+# Fix for Phantomjs OpenSSL issue
+# https://github.com/ariya/phantomjs/issues/15449
+RUN echo 'export OPENSSL_CONF=/etc/ssl' >> /etc/bash.bashrc
+
+# Install teh right version of bundler
+RUN gem install bundler:2.2.22
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g [...]" 2>&1
\ No newline at end of file
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 00000000..db719687
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,32 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.194.0/containers/ruby
+{
+	"name": "Ruby",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": { 
+			// Update 'VARIANT' to pick a Ruby version: 3, 3.0, 2, 2.7, 2.6
+			"VARIANT": "2.7",
+			// Options
+			"NODE_VERSION": "10",
+		}
+	},
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"rebornix.Ruby"
+	],
+	
+	// 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": "echo 'export OPENSSL_CONF=/etc/ssl' >> /etc/bash.bashrc",
+
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+
+}
\ No newline at end of file
diff --git a/example/Gemfile b/example/Gemfile
index 0d4908e1..3dbf4164 100644
--- a/example/Gemfile
+++ b/example/Gemfile
@@ -1,3 +1,9 @@
 source "https://rubygems.org"
 
 gem "govuk_tech_docs", path: ".."
+
+gem "rake", "~> 13.0"
+
+gem "rspec", "~> 3.10"
+
+gem "jasmine", "~> 3.9"