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How To Use Basecamp’s MRSK With AWS and GitHub

You may have already encountered MRSK - the latest deployment tool developed by the Basecamp team. In this article, I'll delve into its functionality and highlight the reasons why it's gaining so much popularity.


MRSK stands out for its simplicity and user-friendliness, offering a seamless solution without the need to navigate the intricacies of complex DevOps frameworks. To demonstrate its efficiency, DHH showcases how he deploys an application across two different cloud environments in a mere 20 minutes. This impressive feat illustrates MRSK's capability to streamline the deployment process and swiftly bring your Minimum Viable Product (MVP) to life.
An airplane transports a container
An airplane transports a container
This article is outdated please read an updated version:

What we’ve used before?

In 2023, you have a plethora of options to deploy your application in a production environment, ranging from simple and versatile solutions like Capistrano to more intricate, platform-specific choices such as AWS Elastic Beanstalk and Kubernetes. While we predominantly utilized Elastic Beanstalk for most of our projects, Capistrano still played a significant role in certain scenarios.

What is MRSK and how it works?

MRSK is a Ruby-based orchestration tool that leverages SSHKit, similar to Capistrano. According to its official website, MRSK utilizes the dynamic reverse proxy Traefik to manage incoming requests. This seamless transition between the old and new application containers ensures uninterrupted service across multiple hosts. By utilizing SSHKit, MRSK executes commands efficiently. While initially developed for Rails applications, MRSK can be used with any web application that can be containerized using Docker.




When I first came across this concept, one question immediately arose in my mind: "Where does Nginx fit into this architecture?" Having been involved in Ruby on Rails development since around 2008 or 2009, I've witnessed numerous changes over the years. We've worked with various application servers like Mongrel, Passenger, Unicorn, and Puma, and have used different versions of Ruby (starting from 1.8.6 or 1.8.7, if memory serves me right). However, throughout all these changes, one constant presence has been Nginx. It has played a crucial role in our infrastructure, serving as a reliable web server. Nginx is a required part of any scheme. Now it is gone and Traefik comes into the stage.




So what it Traefik? Traefik is a cutting-edge reverse proxy and load balancer that simplifies the deployment of microservices. One of the standout features of Traefik is its seamless integration with Docker. Traefik has built-in capabilities to configure itself automatically when used in conjunction with Docker containers. This means that as you deploy new containers or update existing ones, Traefik dynamically adapts its routing and load-balancing configuration to accommodate these changes. It eliminates the need for manual configuration updates, saving time and effort for developers and operators. Whether you're scaling your application horizontally or introducing new services, Traefik seamlessly adjusts its routing rules to ensure smooth and efficient traffic distribution within your Docker environment. This tight integration between Traefik and Docker provides a streamlined experience and helps maintain a highly dynamic and scalable infrastructure.

MRSK + Amazon AWS possible schemas

AWS offers a plethora of networking options to organize your application infrastructure. The image below illustrates one of the simplest and most commonly used web application architectures.
EC2 with public IPs and ALB
EC2 with public IPs and ALB
Our domain is hosted on Route 53 in this network schema, pointing to an AWS ALB. All traffic is routed to the ALB, where SSL termination occurs. The HTTP traffic is directed to one or several EC2 instances managed with MRSK. Traefik on these instances routes the traffic to the Rails container, ensuring efficient request processing and optimal performance. This architecture combines AWS services, MRSK, and Traefik to create a reliable and scalable infrastructure for hosting our application.




In this setup, all EC2 instances have public IPs, which can be a potential limitation due to their availability. However, it's important to highlight that direct access to the instances via HTTP is restricted, as per the configured inbound network rules.




Let's delve into a more intricate example illustrated below. In this configuration, we have a setup where a single EC2 instance, known as the "jumphost," has a public IP. On the other hand, all other instances are assigned private IPs, and the routing of HTTP traffic is facilitated within private networks via the ALB (Application Load Balancer).




This setup offers heightened security by reducing the exposure of instances with public IPs, thereby minimizing the attack surface. The infrastructure adds an extra layer of protection by leveraging private IPs and utilizing internal routing through the ALB. This ensures that HTTP traffic remains securely managed within the private network, resulting in a resilient and dependable environment for your application.




ssh:
  proxy: "www@jumphost_public_ip"
EC2 with private IPs, jumphost and ALB
EC2 with private IPs, jumphost and ALB
To support such a setup, MRSK offers the ssh: proxy option, enabling seamless integration and efficient management of the infrastructure.
To make schema shown above even more robust AWS CloudFront can be added.
EC2 with private IPs, jumphost, ALB and CloudFront
EC2 with private IPs, jumphost, ALB and CloudFront
This approach allows us to differentiate traffic that benefits from caching on the CDN (Content Delivery Network) from traffic that needs to be directly forwarded to the application. In our specific scenario, we can utilize assets.application.site to distribute CSS and JS bundles, which will be served by the Rails application server upon each build and cached by CloudFront.




By leveraging this strategy, we optimize the delivery of static assets by offloading them to the CDN, enabling faster and more efficient distribution. The Rails application server takes care of serving these assets when requested, ensuring that they are up to date and cached by CloudFront for subsequent requests.




This separation of traffic ensures an effective balance between performance and dynamic content delivery, resulting in an enhanced user experience and improved overall application performance.

How to start using MRSK with Rails 7.0?

All scripts and scenarios shown below represent the most simple AWS where all EC2 instances have public IPs.




Before starting work on actual code and scripts, lets define steps and goals that we should make to our application run:
  • Prepare the application to run in a container
  • Create MRSK deploy config
  • Prepare AWS EC2 instance(s) and AWS ALB
  • Create a GitHub Actions scenario
  • Deploy and manage the application
  • Tweaks and Traefik configuration

Prepare the application to run in a container

If you are reading this article and you already have Rails 7.1+ (which wasn't released as of June 22, 2023), or you are using Rails from the main branch, you already have a default Dockerfile. If not, let's create one now using the Dockerfile from the Rails main branch as a template.




# This first and main rule that we follow in our Dockerfile is to keep it
# without hardcoded dependencies and versions as much as possible.
# This file is an ideal – it has zero.

# It accepts selected Ruby version as an argument.
ARG RUBY_VERSION

# Create new stage from ruby-slim image with selected Ruby version.
FROM ruby:$RUBY_VERSION-slim as base

# We are Rails developers, so we want to keep our app under /rails directory
WORKDIR /rails

# Here is some Ruby magic and configuration options
ENV BUNDLE_DEPLOYMENT="1" \
  BUNDLE_PATH="/usr/local/bundle" \
  BUNDLE_WITHOUT="development" \
  HOME=/rails

# Throw-away build stage to reduce size of final image
FROM base as build

# Install dependencies that are needed only during build stage
RUN apt-get update -qq && \
  apt-get install -y build-essential curl libpq-dev nodejs git

# Install JavaScript dependencies
ARG NODE_VERSION
ARG YARN_VERSION
ENV PATH=/usr/local/node/bin:$PATH
RUN curl -sL https://github.com/nodenv/node-build/archive/master.tar.gz | tar xz -C /tmp/ && \
    /tmp/node-build-master/bin/node-build "${NODE_VERSION}" /usr/local/node && \
    npm install -g yarn@$YARN_VERSION && \
    npm install -g mjml && \
    rm -rf /tmp/node-build-master

# Install application gems
COPY Gemfile Gemfile.lock ./
RUN bundle install && \
    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git

# Install node modules
COPY package.json yarn.lock ./
RUN yarn install --frozen-lockfile

# Copy application code
COPY . .

ARG RAILS_ENV

# If you are already on Rails 7.1+,
# then you will be able to use new SECRET_KEY_BASE_DUMMY=1 variable,
# however below is a workaround for Rails 7.0 and below.
RUN SECRET_KEY_BASE=1 DATABASE_URL=postgresql://dummy@localhost/dummy RAILS_ENV=$RAILS_ENV \
  bundle exec rake assets:precompile

# Start again from base image to throw away anything that is not needed
# from build stage.
FROM base

# Install dependencies that we needed during application run.
# We use PostgresSQL for almost all our projects,
# this is why we install `postgresql-client`.
# Also almost all web applications have image upload and convert functionality,
# so you need to install `imagemagick`.
RUN apt-get update -qq && \
    apt-get install --no-install-recommends -y libvips postgresql-client imagemagick tzdata curl && \
    rm -rf /var/lib/apt/lists /var/cache/apt/archives

# Run and own the application files as a non-root user for security
RUN useradd rails --create-home --shell /bin/bash

# Copy built artifacts: node, gems, application
COPY --from=build --chown=rails:rails /usr/local/node /usr/local/node
COPY --from=build --chown=rails:rails /usr/local/bundle /usr/local/bundle
COPY --from=build --chown=rails:rails /rails /rails
RUN chown rails:rails /rails

USER rails:rails

# Entrypoint prepares the database.
ENTRYPOINT ["/rails/bin/docker-entrypoint"]

# Start the server by default, this can be overwritten at runtime
EXPOSE 3000
CMD ["./bin/rails", "server"]
The document above contains several valuable instructions, but one, in particular, deserves attention: ENTRYPOINT ["/rails/bin/docker-entrypoint"]. Building a Docker entry point is one of the upcoming features in Rails 7.1. We can easily use the template from the main Rails branch and extract it for use in our Rails 7.0 application (put the file below into the bin directory of your Rails app).




#!/bin/bash -e

# If running the rails server then create or migrate existing database
if [ "${*}" == "./bin/rails server" ]; then
  ./bin/rails db:prepare
fi

exec "${@}"
Why is a file needed? With an ENTRYPOINT command, we can execute something before an actual Docker container start command (the one that is listed on the last line of Dockerfile, but can be overridden, as we see later). In our particular case, it allows us to run database migrations only on a host that runs our application web server and not to run them on a background processing host.

Another new option that will be available in upcoming Rails 7.1 is config.assume_ssl. You can have a closer look at its sources here. When proxying through a load balancer that terminates SSL, the forwarded request will appear as though it's HTTP instead of HTTPS to the application. This makes redirects and cookie security target HTTP instead of HTTPS. This middleware makes the server assume that the proxy has already terminated SSL and that the request really is HTTPS.

If you are on Rails 7.0 and below, you can easily add the same functionality, create this middleware somewhere in your codebase (e.g. in lib/middleware/assume_ssl.rb), require it in your config/application.rb, and load it in config/environments/production.rb.




# lib/middleware/assume_ssl.rb
#
class AssumeSSL
  def initialize(app)
    @app = app
  end

  def call(env)
    env['HTTPS'] = 'on'
    env['HTTP_X_FORWARDED_PORT'] = 443
    env['HTTP_X_FORWARDED_PROTO'] = 'https'
    env['rack.url_scheme'] = 'https'

    @app.call(env)
  end
end

# config/application.rb
#
Dir[Rails.root.join('lib/middleware/**/*.{rb}')].sort
  .each { |file| require file }

# config/environments/production.rb
#
Rails.application.config.middleware.insert_before(0, AssumeSSL)
At this point application preparation is done and we can start the next phase.

Create MRSK deploy config

It is time to install and configure MRSK now. Like any other Ruby tool, MRSK is easy to install. Add it to your bundle with:




bundle add mrsk
or by adding it directly to your Gemfile (don’t forget that we will use MRSK from GitHub actions, so it should be available globally, compared to Capistrano, which usually has been added only to the development group).




gem 'mrsk'
Create deploy configuration from the template




mrsk init
The command above will create a default deployment configuration, which you can find in the config/deploy.yml file. Let's take a closer look at it.




# Name of your application. Used to uniquely configure containers.
service: onetribe

# Name of the container image.
image: onetribe

# Deploy to these servers.
servers:
  web:
    - "//web IP//"
  sidekiq:
    cmd: bin/sidekiq
    hosts:
      - "//sidekiq IP//"

# Use a different ssh user than root
ssh:
  user: www

# Credentials for your image host.
registry:
  # Specify the registry server, if you're not using Docker Hub
  server: AMAZON_ID.dkr.ecr.us-east-1.amazonaws.com
  username: AWS

  # Always use an access token rather than real password when possible.
  password:
    - MRSK_REGISTRY_PASSWORD

# Container builder setup.
builder:
  args:
    RUBY_VERSION: 3.2.2
    RAILS_ENV: production
		NODE_VERSION: 18.12.0
		YARN_VERSION: 1.22.19
  multiarch: false

# Container run setup
env:
  clear:
    RAILS_LOG_TO_STDOUT: 1
    RAILS_SERVE_STATIC_FILES: 1
    RAILS_ENV: production
  secret:
    - RAILS_MASTER_KEY
    - DATABASE_URL
    - REDIS_URL

# Configure a custom healthcheck (default is /up on port 3000)
healthcheck:
  path: /health
MRSK configuration is pretty straightforward, but several important things must be remembered. Let's begin with the servers section. This is where you describe your virtual machines or bare metal servers (in our case, EC2 instances), what they will run, and their IP addresses. For this example, we will not create a too complex configuration and assume you have two instances: one to run your web server (likely Puma) and another to run your background processing solution (in our case, Sidekiq).




Keep in mind, that MRSK uses SSH access to your servers to make deploy and in this case, it is very similar to Capistrano (both tools use SSHKit Ruby library). You can configure SSH connection parameters in ssh section. In our case, we specified that www user will be used to establish a connection.

In registry section container registry parameters are specified, in our case AWS Elastic Container Registry address and username (default to AWS). MRSK_REGISTRY_PASSWORD contains password that will be used to access the registry during a build. It can be populated in several ways, e.g. locally you can run aws ecr get-login-password --region us-east-1 to get a password, but we will automate this later with GitHub Actions.

The builder section contains the container build parameters. It's worth noting that by default, MRSK utilizes Docker buildx to prepare containers for local and remote architectures. However, if you're building your container on the same architecture as the one you're deploying to, you can disable this behavior with multiarch: false. In our case, we'll be using GitHub Ubuntu runners to build the containers and AWS EC2 Ubuntu instances to run them, both of which have the X86_64 architecture so that we can disable multiarch. Anything specified in the args field will be passed to the Dockerfile during the build process. One aspect of MRSK that I find particularly appealing is the ability to specify Ruby (and Node, Yarn) versions in just one place—the deploy.yml file. This eliminates any concerns about upgrading Ruby to version 3.3 on a specific date, as the only place you'll need to make that update is in your deploy script, ensuring that your application runs on the latest version of Ruby.

In the env section, you'll find the variables used to run the container, divided into clear and secret subsections. Clear variables are typically static and specified directly in the deploy configuration, remaining unchanged during deployment. On the other hand, secrets are covered during deployment and stored securely. We'll use GitHub Secrets to populate these variables, and I'll demonstrate how to do that later on.

Prepare AWS EC2 instance(s) and AWS ALB

In JetRockets, we usually use Ansible and TerraForm to configure all virtual machines and networks. I will not go too deep into AWS configuration and will cover only the required things. We aim to create required EC2 instances, configure them to run Docker, and configure AWS ALB. We will go with Ubuntu 22.04.
AWS EC2 new instance
AWS EC2 new instance
After the instance has been created don’t forget to allocate and associate the Elastic IP address with it. Put the newly obtained IP address to your MRSK config into servers section. Once the instance is up and running, connect to it with the default user (usually ubuntu) and install Docker to run our containers. You can read more about this in Docker official manual. Long story short, you should install docker-ce and docker-ce-cli.

Once Docker is installed, create a user that will be used to run web services. I usually go with www username for this. 




ubuntu@ip-172-31-86-216:~$ sudo useradd -d /srv/www -m -s /bin/bash --groups docker www
Connect to your instance via SSH and ensure that `www` is allowed to use Docker.




www@ip-172-31-86-216:~$ docker ps
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES
www@ip-172-31-86-216:~$
The instance is ready. Time to configure ALB. Create new Application Load Balancer and configure two listeners on it. I find it easier to create a balancer with just one listener and configure everything when balancer already exists.
AWS ALB configuration panel
AWS ALB configuration panel
The key point is that we redirect all HTTP/80 traffic to HTTPS with 301 response code. For HTTPS configuration is also very clear: we forward all HTTPS traffic that comes from onetribe.team and *.onetribe.team to mrsk target group (that includes the previously created EC2 instance) through HTTP 80 port. This is where SSL termination happens.
AWS ALB listener configuration panel
AWS ALB listener configuration panel
That covers the basics of the AWS setup. If you need additional instances to handle Sidekiq or to serve web requests, you can simply duplicate the existing EC2 instance.

GitHub Actions scenario

GitHub Actions stands out as a highly favored choice for continuous deployment (CD) due to its exceptional integration with GitHub and its remarkable flexibility. Its seamless integration enables developers to trigger deployments based on specific events effortlessly, customize workflows using YAML configuration files, and leverage a vast ecosystem of pre-built actions and integrations. Notably, GitHub Actions excels in scalability and parallelization, effortlessly handling larger applications and intricate deployment scenarios by executing multiple tasks concurrently to minimize the deployment time. Furthermore, the platform offers extensive visibility and logging features, facilitating progress tracking and troubleshooting within the GitHub interface. The thriving GitHub community actively contributes to the availability of shared workflows and reusable actions, empowering developers to expedite their CD implementation and leverage established best practices.

To facilitate comprehension, I have provided a GitHub Actions file below that we successfully used for building and deploying a Rails application with MRSK. In this file, I have added comments to highlight the essential components and make it more approachable. For easy integration, feel free to copy this file into your application folder as .github/workflows/build_and_deploy.yml.




name: MRSK

on:
  push:
    branches:
    - feature/mrsk
  # I added workflow_dispatch trigger to be able to run workflow manually from GitHub webinterface 
  workflow_dispatch:

jobs:
  # To separate jobs that lint code and run specs are defined in separate files
  # spec:
  #   uses: ./.github/workflows/specs.yml
  # lint:
  #   uses: ./.github/workflows/lint_code.yml

  build_and_deploy:
    # needs: [spec, lint]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ github.event.workflow_run.head_branch }}
			
			# Since MRSK uses SSH access to perform commands on remote server
			# we need to configure it with a valid SSH key 
      - uses: webfactory/ssh-agent@v0.7.0
        with:
          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.2.2
          bundler-cache: true
			
			# Since we want to build images directly on a GitHub runner,
			# we need to install Docker buildx.
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
			
			# For simplicity in this example I will use AWS access_key_id and secret
			# to authenticate in AWS ECR.
			#
			# There is an option to do it better and more secure by using
			# AWS OpenId Connect, we will cover this options in one of our future articles.
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id    : ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region           : us-east-1
          mask-aws-account-id  : 'no'

      - name: Login to Amazon ECR
        id  : login-ecr
        uses: aws-actions/amazon-ecr-login@v1

      - name: MRSK
        id  : mrsk
        env :
          MRSK_REGISTRY_PASSWORD: ${{ steps.login-ecr.outputs.docker_password_AMAZON_ID_dkr_ecr_us_east_1_amazonaws_com }}
          DATABASE_URL: ${{ secrets.DATABASE_URL }}
          REDIS_URL: ${{ secrets.REDIS_URL }}
          RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
          RAILS_ENV: production
          DOCKER_BUILDKIT: 1
        run: |
          ./bin/mrsk deploy --quiet

Deploy and manage the application

After all, preparations have been done; we are ready to deploy our app. After pushing code to the feature/mrsk branch our MRSK workflow will start automatically.
GitHub Actions job
GitHub Actions job
As you can see, the entire process was completed in approximately 6 minutes. This is quite impressive because we’ve used a micro instance to run the application and GitHub standard runners to build it.

Additional tweaks and Traefik configuration

Once our application is up and running, it's essential to be prepared for potential issues that may arise. Knowing where to look and how to troubleshoot effectively becomes crucial in such cases. While the most common approach is to examine application logs, we have already taken steps to configure our Rails application to write logs to stdout using RAILS_LOG_TO_STDOUT=1.




This configuration choice allows us to conveniently access and review the logs. By analyzing the log output, we can often identify error messages, warnings, and other valuable information related to the application's behavior. Familiarity with the log structure and understanding the log levels used within our application is vital for effective troubleshooting.

With STDOUT logging you can access your application container logs from your host machine with docker logs <container_id> --follow, you will probably see something like this:
Rails application logs
Rails application logs
An alternative approach for accessing application logs is by using the mrsk app logs command directly from your development machine. This method offers a more developer-friendly experience.

The mrsk logs command provides convenient options to enhance log analysis. For instance, you can use the grep command to search for specific log entries, and filter logs by timestamp, hosts, or roles. To explore the available options, you can use the --help flag, which provides a comprehensive list of command options and their functionalities.
MRSK app logs
MRSK app logs
It's essential to consider that we are utilizing Docker, which provides a variety of logging drivers, including integration with AWS CloudWatch.

To configure MRSK for sending logs to CloudWatch, it can be easily accomplished within the logging section. By default, Docker sends only the container ID as a tag, which might not be sufficient, particularly if our setup involves multiple roles (such as web and background processing). To enhance readability, I suggest adding the container name to the tags, resulting in more meaningful log stream names.

By making this adjustment, we can ensure that logs from our MRSK deployment are properly tagged and organized within CloudWatch. This facilitates easier navigation and analysis of logs specific to different roles or components within our application.

Taking advantage of Docker's logging capabilities, combined with the integration of MRSK and AWS CloudWatch, empowers us to streamline log management and gain valuable insights into the behavior and performance of our application.




logging:
  driver: awslogs
  options:
    awslogs-region: us-east-1
    awslogs-group: /application
    awslogs-create-group: true
    tag: "{{.Name}}-{{.ID}}"
AWS CloudWatch
AWS CloudWatch
To enable awslogs on your host machine, you must provide AWS credentials. This can be achieved by installing awscli and configuring it from the root user.




root@app:~# apt install awscli
root@app:~# aws configure

Traefik Logging

In addition to having application logs in CloudWatch, we can configure Traefik, our reverse proxy, to write its own logs directly to AWS as well. This can be achieved by passing specific arguments to the traefik.args configuration section.

By configuring Traefik to write logs to AWS, we can centralize all our log data in one place, making it easier to manage and analyze. The access log feature is particularly useful, and we can even apply filters to improve log cleanliness. For instance, we can set a minimum duration filter (e.g., 10ms in our example) to exclude log entries for /health requests, simplifying log maintenance and reducing clutter.




traefik:
  args:
    log: true
    log.level: ERROR
    accesslog: true
    accesslog.format: json
    accesslog.filters.minduration: 10ms
To apply the Traefik log configuration don’t forget to run mrsk traefik reboot.

Further Plans

Although our current setup is functioning well, there are numerous opportunities for improvement.

One area I'd like to explore is leveraging remote MRSK builds on AWS EC2 spot (maybe arm-based) instances. We can allocate ample resources during the build stage by utilizing spot instances, which offer cost-effective computing resources, resulting in significantly faster build times.

Additionally, implementing a Docker cache can significantly reduce build times. Docker offers several cache backends, including Registry, GitHub Actions, and S3 backends. Each backend has its own advantages and disadvantages. For example, the Registry cache is compatible with AWS ECR but is only supported in nightly builds of Buildkit (refer to this GitHub issue: **https://github.com/aws/containers-roadmap/issues/876**).

Utilizing a layer cache can potentially cut build times in half or even more. With this optimization, the deployment process can be completed in approximately 2 or 3 minutes, which is a comfortable timeframe for me.

Conclusions

During my discussions with various DevOps engineers about MRSK, I encountered a wide range of opinions, ranging from "I don't see the need for it since we already have AWS ECS, Docker Swarm, and Kubernetes" to "It's a valuable tool." This divergence in perspectives is not surprising, considering that MRSK is a tool designed by developers for developers. Its ease of understanding, configuration, and usage contribute to its appeal. Furthermore, even in its current version (0.14.0), MRSK is known for its stability, speed, and readiness for production environments.




Ultimately, the decision to utilize MRSK or any other tool hinges on various factors such as project requirements, familiarity with existing solutions, team preferences, and the application's specific needs under development. It is crucial to carefully evaluate the advantages and disadvantages of different tools to make an informed decision that aligns with the unique circumstances of each project.




Throughout my 15 years of working with Rails, I have witnessed the transformative impact of Rails-first tools on the development community, extending beyond Ruby alone. Examples such as ActiveRecord and Capistrano from 15 years ago, along with more recent additions like ActionCable, Turbo, and Hotwire, have revolutionized how developers work. Given this history, it appears that MRSK has a promising opportunity to make a similar impact again.

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