release: 3.0.0

- drop Ruby 2.3 and 2.4 compatibility
- add Dockerfile

.rubocop.yml

@@ -1,5 +1,6 @@
 AllCops:
-  TargetRubyVersion: '2.3'
+  TargetRubyVersion: '2.5'
+  NewCops: enable
 
 Layout/EmptyLineAfterGuardClause:
   Enabled: false
@@ -44,6 +45,9 @@ Naming/MethodParameterName:
 Naming/MemoizedInstanceVariableName:
   Enabled: false
 
+Style/AccessorGrouping:
+  Enabled: false
+
 Style/ConditionalAssignment:
   Enabled: false
 

.travis.yml

@@ -5,8 +5,6 @@ rvm:
 - 2.7
 - 2.6
 - 2.5
-- 2.4
-- 2.3
 
 script:
 - bundle exec rake travis

README.md

@@ -1,6 +1,6 @@
 # openvpn-status-web
 
-[![Build Status](https://travis-ci.org/cmur2/openvpn-status-web.svg)](https://travis-ci.org/cmur2/openvpn-status-web) [![Depfu](https://badges.depfu.com/badges/c264e2f70f2a19c43f880ddcb4a12ba8/overview.svg)](https://depfu.com/github/cmur2/openvpn-status-web?project_id=6194)
+[![Build Status](https://travis-ci.org/cmur2/openvpn-status-web.svg?branch=master)](https://travis-ci.org/cmur2/openvpn-status-web) [![Depfu](https://badges.depfu.com/badges/c264e2f70f2a19c43f880ddcb4a12ba8/overview.svg)](https://depfu.com/github/cmur2/openvpn-status-web?project_id=6194)
 
 ## Description
 
@@ -57,10 +57,12 @@ For more information about OpenVPN status file and version, see their [man page]
 
 If the information exposed is important to you serve it via the VPN or use a webserver as a proxy to handle SSL and/or HTTP authentication.
 
-### Init scripts
+### Startup
 
-The [Debian 6 init.d script](init.d/debian-6-openvpn-status-web) assumes that openvpn-status-web is installed into the system ruby (no RVM support) and the config.yaml is at /opt/openvpn-status-web/config.yaml. Modify to your needs.
+There is a [Dockerfile](docs/Dockerfile) that can be used to build a Docker image for running openvpn-status-web.
+
+The [Debian 6 init script](docs/debian-init-openvpn-status-web) assumes that openvpn-status-web is installed into the system ruby (no RVM support) and the config.yaml is at `/opt/openvpn-status-web/config.yaml`. Modify to your needs.
 
 ## License
 
-openvpn-statsu-web is licensed under the Apache License, Version 2.0. See LICENSE for more information.
+openvpn-status-web is licensed under the Apache License, Version 2.0. See LICENSE for more information.

docs/Dockerfile

@@ -0,0 +1,15 @@
+FROM alpine:3.12
+
+EXPOSE 8080
+
+ENV VERSION=3.0.0
+
+RUN apk --no-cache add openssl ca-certificates && \
+    apk --no-cache add ruby ruby-etc ruby-webrick && \
+    apk --no-cache add --virtual .build-deps ruby-dev build-base tzdata && \
+    gem install --no-document openvpn-status-web -v ${VERSION} && \
+    # set timezone to Berlin
+    cp /usr/share/zoneinfo/Europe/Berlin /etc/localtime && \
+    apk del .build-deps
+
+ENTRYPOINT ["openvpn-status-web", "/etc/openvpn-status-web/config.yml"]

lib/openvpn-status-web/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module OpenVPNStatusWeb
-  VERSION = '2.1.0'
+  VERSION = '3.0.0'
 end

openvpn-status-web.gemspec

@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
   s.executables = ['openvpn-status-web']
   s.extra_rdoc_files = Dir['README.md', 'LICENSE']
 
-  s.required_ruby_version = '>= 2.3'
+  s.required_ruby_version = '>= 2.5'
 
   s.add_runtime_dependency 'metriks'
   s.add_runtime_dependency 'rack', '~> 2.0'
@@ -32,10 +32,10 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'better_errors'
   s.add_development_dependency 'binding_of_caller'
   s.add_development_dependency 'bundler'
-  s.add_development_dependency 'bundler-audit', '~> 0.6.0'
+  s.add_development_dependency 'bundler-audit', '~> 0.7.0'
   s.add_development_dependency 'rack-test'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec'
-  s.add_development_dependency 'rubocop', '~> 0.80.0'
+  s.add_development_dependency 'rubocop', '~> 0.88.0'
   s.add_development_dependency 'solargraph'
 end