Add docker-compose based development environment

.gitignore

@@ -45,3 +45,4 @@ locale/*/software.po.time_stamp
 vendor/
 
 .byebug_history
+docker-compose.override.yml

Dockerfile

@@ -1,30 +1,46 @@
-FROM opensuse/leap:15.2
-ARG IMAGE_USERID
-
-# Update distro
-RUN zypper -q --non-interactive update 
-
-# Install some system requirements
-RUN zypper -q --non-interactive install timezone vim aaa_base glibc-locale sudo nodejs
-
-# Install ruby
-RUN zypper -q --non-interactive install ruby2.5 ruby2.5-devel
-
-# Setup gem & sudo
+FROM registry.opensuse.org/opensuse/leap:15.3
+ARG CONTAINER_USERID
+
+# Install our requirements
+RUN zypper -n ar -f \
+    https://download.opensuse.org/repositories/devel:/languages:/ruby/openSUSE_Leap_15.3/devel:languages:ruby.repo; \
+    zypper -n --gpg-auto-import-keys refresh; \
+    zypper -n install --no-recommends timezone glibc-locale sudo \
+                                      vim git-core \
+                                      gcc gcc-c++ make \
+                                      nodejs16 ruby3.1-devel \
+                                      libxml2-devel libxslt-devel
+
+# Setup ruby in PATH & sudo
 RUN echo 'install: --no-format-executable' >> /etc/gemrc; \
-echo 'vagrant ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
-
-# Install bundler
-RUN gem install bundler
-
-# Install requirements for our rubygems 
-RUN zypper -q --non-interactive install --no-recommends sqlite3-devel gcc gcc-c++ make libxml2-devel libxslt-devel git-core
+    echo 'software ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers; \
+    ln -s /usr/bin/gem.ruby3.1 /usr/local/bin/gem; \
+    ln -s /usr/bin/ruby.ruby3.1 /usr/local/bin/ruby; \
+    ln -s /usr/bin/bundle.ruby3.1 /usr/local/bin/bundle; \
+    ln -s /usr/bin/bundler.ruby3.1 /usr/local/bin/bundler; \
+    ln -s /usr/bin/irb.ruby3.1 /usr/local/bin/irb; \
+    ln -s /usr/bin/rake.ruby3.1 /usr/local/bin/rake
 
 # Add our user
-RUN useradd -m vagrant  -u $IMAGE_USERID -p vagrant
+RUN useradd -m software  -u $CONTAINER_USERID -p software
+
+# We copy the Gemfiles into this intermediate build stage so it's checksum
+# changes and all the subsequent stages (a.k.a. the bundle install call below)
+# have to be rebuild. Otherwise, after the first build of this image,
+# docker would use it's cache for this and the following stages.
+ADD Gemfile /software/Gemfile
+ADD Gemfile.lock /software/Gemfile.lock
+RUN chown -R software /software
 
-USER vagrant
-WORKDIR /vagrant
+USER software
+WORKDIR /software
 
 # Setup bundler
 RUN bundle config build.nokogiri --use-system-libraries
+
+# Refresh our bundle
+RUN bundle install --jobs=3 --retry=3
+
+# Run our command
+CMD ["rails", "server", "-b", "0.0.0.0"]
+

config/environments/development.rb

@@ -17,7 +17,9 @@
   # Enable server timing
   config.server_timing = true
 
-  config.cache_store = :memory_store
+  memcached_host = ENV['MEMCACHED_HOST'] || 'localhost:11211'
+  config.cache_store = :mem_cache_store, memcached_host, {namespace: 'software-dev', compress: true}
+
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
   if Rails.root.join("tmp/caching-dev.txt").exist?

config/environments/production.rb

@@ -48,7 +48,8 @@
   config.log_tags = [ :request_id ]
 
   # Use a different cache store in production.
-  config.cache_store = :mem_cache_store, 'localhost:11211', {namespace: 'software', compress: true}
+  memcached_host = ENV["MEMCACHE_SERVERS"] || "localhost:11211"
+  config.cache_store = :mem_cache_store, memcached_host, {namespace: 'software', compress: true}
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).

docker-compose.override.yml.example

@@ -0,0 +1,9 @@
+version: '2.1'
+services:
+  software:
+    build:
+      args:
+        CONTAINER_USERID: 1000
+    environment:
+      - API_USERNAME=yourusername
+      - API_PASSWORD=password123

docker-compose.yml

@@ -0,0 +1,19 @@
+version: "2.1"
+services:
+  memcached:
+    image: registry.opensuse.org/opensuse/memcached:latest
+  software:
+    build:
+      dockerfile: Dockerfile
+      context: .
+      args:
+        CONTAINER_USERID: 1000
+    command: bundle exec rails s -b 0.0.0.0
+    volumes:
+      - .:/software
+    ports:
+      - "3000:3000"
+    depends_on:
+      - memcached
+    environment:
+      - MEMCACHED_HOST="memcached:11211"