Upgrade crystal to 0.32.1. Add rake tasks to release tool.

.dockerignore

@@ -4,3 +4,4 @@ Brewfile
 Dockerfile
 *.md
 LICENSE
+_output/

Dockerfile

@@ -1,4 +1,4 @@
-FROM crystallang/crystal:0.31.1 as builder
+FROM crystallang/crystal:0.32.1 as builder
 
 WORKDIR /app
 COPY ./shard.yml /app/

Rakefile

@@ -2,6 +2,10 @@
 
 require 'rake/phony'
 
+def version
+  `shards version`.chop!
+end
+
 task default: %w[test]
 
 desc "Run tests"
@@ -16,7 +20,7 @@ end
 
 task :setup
 
-task :release
+task release: %w[docker:push]
 
 OUTPUT_PATH = "_output"
 BIN_PATH = "#{OUTPUT_PATH}/medup"
@@ -34,3 +38,23 @@ task :run, [:user, :dist] => :build do |t, args|
   args.with_defaults(user: "miry", dist: "posts/medium_miry")
   sh "#{BIN_PATH} -u #{args.user} -d #{args.dist}"
 end
+
+namespace :docker do
+  desc "Build docker image"
+  task :build do
+    sh "docker build -f Dockerfile -t miry/medup:#{version} -t miry/medup:latest ."
+  end
+
+  desc "Push docker image to Hub Docker"
+  task push: %w[build] do
+    sh "docker push miry/medup:#{version}"
+    sh "docker push miry/medup:latest"
+  end
+end
+
+namespace :github do
+  desc "Create Github release"
+  task :release do
+    sh "hub release create v#{version}"
+  end
+end

shard.yml

@@ -1,16 +1,16 @@
 name: medup
-version: 0.1.0
+version: 0.1.1
 
 authors:
   - Michael Nikitochkin <miry.sof@gmail.com>
 
 description: |
-  Download Medium content to local folder
+  Download Medium content to local folder.
 
 targets:
   medup:
     main: src/cli.cr
 
-crystal: 0.32.0
+crystal: 0.32.1
 
 license: LGPL-3.0