Add support for Docker

.github/workflows/ci.yml

@@ -45,3 +45,9 @@ jobs:
     - name: Run tests
       shell: bash
       run: npm test
+
+    - name: Check Docker support
+      shell: bash
+      run: |
+        docker --version
+        make build

Dockerfile

@@ -0,0 +1,23 @@
+# Use the official Jekyll image as the base
+FROM jekyll/jekyll:3.7
+
+# Set the working directory
+WORKDIR /usr/src/app
+
+# Change the permissions of the working directory
+RUN chmod 777 /usr/src/app
+
+# Copy the Gemfile into the image
+COPY Gemfile ./
+
+# Install the gems and delete the Gemfile.lock
+RUN bundle install --no-cache && rm Gemfile.lock
+
+# Copy the rest of the project into the image
+COPY . .
+
+# Expose the port Jekyll will run on
+EXPOSE 4000
+
+# The default command to run Jekyll
+CMD ["jekyll", "serve", "--host", "0.0.0.0", "--livereload"]

Makefile

@@ -0,0 +1,27 @@
+GREEN := \033[1;32m
+BLUE := \033[1;34m
+RESET := \033[0m
+
+# The directory of this file
+DIR := $(shell echo $(shell cd "$(shell dirname "${BASH_SOURCE[0]}" )" && pwd ))
+
+# This will output the help for each task
+# thanks to https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
+.PHONY: help
+
+help: ## This help
+	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "${GREEN}%-30s${RESET} %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+.DEFAULT_GOAL := help
+
+serve: ## Local server
+	@echo "${BLUE}Servering website in localhost:4000${RESET}"
+	docker run -p 4000:4000 -v $(DIR):/usr/src/app expressjs.com
+
+build: ## Build site
+	@echo "${BLUE}Building site...${RESET}"
+	docker build -t expressjs.com .
+
+clean: ## Clean up
+	@echo "${BLUE}Clean up...${RESET}"
+	docker rmi expressjs.com

README.md

@@ -35,6 +35,16 @@ To preview the website locally:
 
    Then, load <http://localhost:4000> in your browser.
 
+## Local Setup using Docker
+
+>[!TIP]
+> You can run `make help` to obtain detailed information on how to use our make commands.
+
+0. Ensure that you have Docker and Make installed.
+1. Run `make build` to build the project.
+2. Run `make serve` to serve the project, this include live reloading so any change will be reflected (it can take a while, check the logs).
+3. Run `make clean` to remove the docker images and resources generated.
+
 ## Formatting
 
 Jekyll uses a variant of Markdown known as [Kramdown](https://kramdown.gettalong.org/quickref.html).