Build procfile for solidq/sqlite3 combination

lib/generators/dockerfile_generator.rb

@@ -1212,23 +1212,29 @@ def dbprep_command
 
   def procfile
     if using_passenger?
-      {
+      base = {
         nginx: "nginx"
       }
     elsif options.nginx?
-      {
+      base = {
         nginx: '/usr/sbin/nginx -g "daemon off;"',
         rails: "./bin/rails server -p 3001"
       }
     elsif using_thruster?
-      {
+      base = {
         rails: "bundle exec thrust ./bin/rails server"
       }
     else
-      {
+      base = {
         rails: "./bin/rails server"
       }
     end
+
+    if using_solidq? and deploy_database == "sqlite3"
+      base.merge(solidq: "bundle exec rake solid_queue:start")
+    else
+      base
+    end
   end
 
   def using_thruster?
@@ -1248,7 +1254,11 @@ def fly_processes
     if using_sidekiq?
       list["sidekiq"] = "bundle exec sidekiq"
     elsif using_solidq?
-      list["solidq"] = "bundle exec rake solid_queue:start"
+      if deploy_database == "sqlite3"
+        return if list.size <= 1
+      else
+        list["solidq"] = "bundle exec rake solid_queue:start"
+      end
     end
 
     list

test/results/solid_queue_sqlite3/Dockerfile

@@ -0,0 +1,82 @@
+# syntax = docker/dockerfile:1
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=xxx
+FROM ruby:$RUBY_VERSION-slim AS base
+
+# Rails app lives here
+WORKDIR /rails
+
+# Set production environment
+ENV BUNDLE_DEPLOYMENT="1" \
+    BUNDLE_PATH="/usr/local/bundle" \
+    BUNDLE_WITHOUT="development:test" \
+    RAILS_ENV="production"
+
+# Update gems and bundler
+RUN gem update --system --no-document && \
+    gem install -N bundler
+
+
+# Throw-away build stage to reduce size of final image
+FROM base AS build
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential pkg-config
+
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle install && \
+    bundle exec bootsnap precompile --gemfile && \
+    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git
+
+# Copy application code
+COPY . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile app/ lib/
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
+
+
+# Final stage for app image
+FROM base
+
+# Install packages needed for deployment
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libsqlite3-0 ruby-foreman && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+RUN gem install foreman
+
+# Copy built artifacts: gems, application
+COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
+COPY --from=build /rails /rails
+
+# Run and own only the runtime files as a non-root user for security
+ARG UID=xxx \
+    GID=1000
+RUN groupadd -f -g $GID rails && \
+    useradd -u $UID -g $GID rails --create-home --shell /bin/bash && \
+    mkdir /data && \
+    chown -R rails:rails db log storage tmp /data
+USER rails:rails
+
+# Deployment options
+ENV DATABASE_URL="sqlite3:///data/production.sqlite3"
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
+
+# Build a Procfile for production use
+COPY <<-"EOF" /rails/Procfile.prod
+rails: ./bin/rails server
+solidq: bundle exec rake solid_queue:start
+EOF
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+VOLUME /data
+CMD ["foreman", "start", "--procfile=Procfile.prod"]

test/results/solid_queue_sqlite3/docker-compose.yml

@@ -0,0 +1,22 @@
+version: "3.8"
+
+services:
+  web:
+    build:
+      context: .
+      args:
+        UID: ${UID:-1000}
+        GID: ${GID:-${UID:-1000}}
+    volumes:
+      - ./log:/rails/log
+      - ./storage:/rails/storage
+    ports:
+      - "3000:3000"
+    environment:
+    secrets:
+      - source: master_key
+        target: /rails/config/master.key
+
+secrets:
+  master_key:
+    file: ./config/master.key

test/results/solid_queue_sqlite3/fly.toml

@@ -0,0 +1,8 @@
+[mounts]
+  source="data"
+  destination="/data"
+
+[[statics]]
+  guest_path = "/rails/public"
+  url_prefix = "/"
+

test/test_solidq.rb → test/test_solidq_postgres.rb

@@ -4,7 +4,7 @@
 
 require_relative "base"
 
-class TestSolidQueue < TestBase
+class TestSolidQueuePostgres < TestBase
   @rails_options = "--database=postgresql"
   @generate_options = "--compose"
 

test/test_solidq_sqlite3.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require "fileutils"
+
+require_relative "base"
+
+class TestSolidQueueSqlite3 < TestBase
+  @rails_options = "--database=sqlite3"
+  @generate_options = "--compose"
+
+  def app_setup
+    system "bundle add solid_queue"
+    FileUtils.touch "fly.toml"
+    IO.write "app/jobs/DummyJob.rb", "class DummyJob < ApplicationJob; end"
+  end
+
+  def test_solidq
+    check_dockerfile
+    check_toml
+    check_compose
+  end
+end