Root returns link to docs

CHANGELOG.md

@@ -4,10 +4,14 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 ### Changed
+- Root returns link to docs
 - Handle rounding edge case where a lower-rate base currency like IDR produces less precise quotes
 - Sample weekly when querying over a year
 - Bump PostgreSQL to 12
 
+### Fixed
+- Set charset to UTF-8
+
 ## 1.0.0 - 2020-01-02
 ### Fixed
 - Start versioning images so users can track changes

lib/web/server.rb

@@ -57,17 +57,17 @@ helpers do
     callback = params['callback']
 
     if callback
-      content_type :js
+      content_type :js, charset: Encoding::UTF_8
       "#{callback}(#{json})"
     else
-      content_type :json
+      content_type :json, charset: Encoding::UTF_8
       json
     end
   end
 end
 
 get '/' do
-  redirect 'https://www.frankfurter.app', 301
+  json({ docs: 'https://wwww.frankfurter.app/docs' })
 end
 
 get '/(?:latest|current)', mustermann_opts: { type: :regexp } do

spec/web/server_spec.rb

@@ -11,9 +11,9 @@ describe 'the server' do
   let(:json) { Oj.load(last_response.body) }
   let(:headers) { last_response.headers }
 
-  it 'redirects root to documentation site' do
+  it 'returns link to docs' do
     get '/'
-    _(last_response).must_be :redirect?
+    _(json['docs']).wont_be_nil
   end
 
   it 'returns latest quotes' do
@@ -102,4 +102,9 @@ describe 'the server' do
     get '/latest?callback=foo'
     _(last_response.body).must_be :start_with?, 'foo'
   end
+
+  it 'sets charset to UTF-8' do
+    get '/currencies'
+    _(last_response.headers['content-type']).must_be :end_with?, 'charset=UTF-8'
+  end
 end