Set up for internal deployment

Dockerfile

@@ -22,7 +22,7 @@ RUN apt-get update -qq && \
     apt-get install --no-install-recommends -y build-essential git libvips pkg-config
 
 # Install application gems
-COPY Gemfile Gemfile.lock ./
+COPY Gemfile Gemfile.lock .ruby-version ./
 RUN bundle install && \
     rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
     bundle exec bootsnap precompile --gemfile
@@ -58,5 +58,5 @@ USER rails:rails
 ENTRYPOINT ["/rails/bin/docker-entrypoint"]
 
 # Start the server by default, this can be overwritten at runtime
-EXPOSE 3000
-CMD ["./bin/rails", "server"]
+EXPOSE 80 443
+CMD ["./bin/thrust", "./bin/rails", "server"]

Gemfile

@@ -13,6 +13,7 @@ gem "turbo-rails"
 gem "bootsnap", require: false
 gem "puma", ">= 5.0"
 gem "sqlite3", ">= 2.0"
+gem "thruster", require: false
 
 # Features
 gem "bcrypt", "~> 3.1.7"

Gemfile.lock

@@ -274,6 +274,11 @@ GEM
     stringio (3.1.1)
     strscan (3.1.0)
     thor (1.3.2)
+    thruster (0.1.8)
+    thruster (0.1.8-aarch64-linux)
+    thruster (0.1.8-arm64-darwin)
+    thruster (0.1.8-x86_64-darwin)
+    thruster (0.1.8-x86_64-linux)
     timeout (0.4.1)
     turbo-rails (2.0.7)
       actionpack (>= 6.0.0)
@@ -323,6 +328,7 @@ DEPENDENCIES
   selenium-webdriver
   sqlite3 (>= 2.0)
   stimulus-rails
+  thruster
   turbo-rails
 
 RUBY VERSION

bin/deploy

@@ -0,0 +1,72 @@
+#!/usr/bin/env ruby
+require "bundler/inline"
+require "yaml"
+
+gemfile do
+  source "https://rubygems.org"
+  gem "base64"
+  gem "bcrypt_pbkdf"
+  gem "ed25519"
+  gem "sshkit"
+end
+
+include SSHKit::DSL
+
+config_variant = "-#{ARGV[0]}" if ARGV[0]
+config = YAML.load_file("config/deploy#{config_variant}.yml")
+
+HOSTS = [ config["host"] ]
+REMOTE_USER = config["ssh_user"]
+DOCKER_IMAGE_NAME = config["image"]
+ARCH = config["arch"] || `arch`.strip
+GIT_SHA = `git rev-parse HEAD`.strip
+DOCKER_TAGGED_IMAGE_NAME = [ DOCKER_IMAGE_NAME, GIT_SHA ].join(":")
+PORTS = [ "80:80", "443:443" ]
+ENVS = { TLS_DOMAIN: config["ssl_domain"] }
+ENV_FILE = ".fizzy-env"
+
+SSHKit::Backend::Netssh.configure do |ssh|
+  ssh.connection_timeout = 30
+  ssh.ssh_options = { user: REMOTE_USER }
+end
+
+def announcing(message)
+  puts "\n\e[1;36m#{message}\e[0m"
+  yield
+end
+
+announcing "Building and pushing image..." do
+  versioning = "--build-arg APP_VERSION=#{GIT_SHA[...6]} --build-arg GIT_REVISION=#{GIT_SHA}"
+
+  on(:local) do
+    execute :docker, :build, "-t", DOCKER_TAGGED_IMAGE_NAME, versioning, "--platform", ARCH, "."
+    execute :docker, :push, DOCKER_TAGGED_IMAGE_NAME
+  end
+end
+
+announcing "Pulling image on remote..." do
+  on(HOSTS) do
+    execute :docker, :pull, DOCKER_TAGGED_IMAGE_NAME
+  end
+end
+
+announcing "Start container on remote..." do
+  restart_policy = "--restart unless-stopped"
+  labels = "--label #{DOCKER_IMAGE_NAME}"
+  ports = PORTS.map { |p| "-p #{p}" }.join(" ")
+  envs = ENVS.map { |k, v| "-e #{k}=#{v}" }.join(" ")
+  volume = "--mount 'type=volume,source=fizzy,target=/rails/storage'"
+  env_file = "--env-file #{ENV_FILE}"
+
+  on(HOSTS) do
+    execute :docker, :ps, "-q", "-f", "\"label=#{DOCKER_IMAGE_NAME}\"", "|", "xargs", "-r", "docker", "stop"
+    execute :docker, :run, "-d", labels, ports, envs, env_file, restart_policy, volume, DOCKER_TAGGED_IMAGE_NAME
+  end
+end
+
+announcing "Remove stopped containers from remote..." do
+  on(HOSTS) do
+    execute :docker, :container, :prune, "-f"
+    execute :docker, :image, :prune, "-af"
+  end
+end

bin/docker-entrypoint

@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
 # If running the rails server then create or migrate existing database
-if [ "${1}" == "./bin/rails" ] && [ "${2}" == "server" ]; then
+if [ "${1}" == "./bin/thrust" ] && [ "${2}" == "./bin/rails" ] && [ "${3}" == "server" ]; then
   ./bin/rails db:prepare
 fi
 

bin/thrust

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'thrust' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+bundle_binstub = File.expand_path("bundle", __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?("This file was generated by Bundler")
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("thruster", "thrust")

config/deploy.yml

@@ -0,0 +1,5 @@
+image: registry.kevinmcconnell.dev/fizzy
+host: fizzy.37signals.works
+ssl_domain: fizzy.37signals.works
+ssh_user: root
+arch: linux/amd64