Secure connections so no cross site warnings, vertical alignment and dockersing

Dockerfile

@@ -0,0 +1,8 @@
+FROM ruby:2.4.1
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
+RUN mkdir /activities-app
+WORKDIR /activities-app
+COPY Gemfile /activities-app/Gemfile
+COPY Gemfile.lock /activities-app/Gemfile.lock
+RUN bundle install
+COPY . /activities-app

app/decorators/participant_decorator.rb

@@ -4,7 +4,7 @@ def name
     object.name
   end
 
-  DEFAULT_AVATAR = 'http://www.gravatar.com/avatar/00000000000000000000000000000000.png?s=%{size}'
+  DEFAULT_AVATAR = 'https://www.gravatar.com/avatar/00000000000000000000000000000000.png?s=%{size}'
 
   def avatar_url(size)
     return DEFAULT_AVATAR % { size: size } unless object.show_participation

app/helpers/application_helper.rb

@@ -1,7 +1,7 @@
 module ApplicationHelper
   def gravatar_avatar_url(user, size)
     gravatar_id = Digest::MD5::hexdigest(user.email).downcase
-    "http://gravatar.com/avatar/#{gravatar_id}.png?s=#{size}"
+    "https://gravatar.com/avatar/#{gravatar_id}.png?s=#{size}"
   end
 
   def twitter_avatar_url(handle)

app/views/partials/_chrome_frame.html.haml

@@ -3,9 +3,9 @@
     You are using an
     %strong outdated
     browser. Please
-    %a(href="http://browsehappy.com/")
+    %a(href="https://browsehappy.com/")
       upgrade your browser
     or
-    %a(href="http://www.google.com/chromeframe/?redirect=true")
+    %a(href="https://www.google.com/chromeframe/?redirect=true")
       activate Google Chrome Frame
     to improve your experience.

app/views/registrations/_oauth.html.haml

@@ -4,7 +4,7 @@
   %ul
     %li
       - if resource.connected_with_github?
-        = link_to "http://github.com/#{resource.github_handle}", class: "github connected" do
+        = link_to "https://github.com/#{resource.github_handle}", class: "github connected" do
           = image_tag "user/connected.png"
           %h4
             = t("user.#{domain}.oauth.github.connected").html_safe
@@ -16,7 +16,7 @@
 
     %li
       - if resource.connected_with_twitter?
-        = link_to "http://twitter.com/#{resource.twitter_handle}", class: "twitter connected" do
+        = link_to "https://twitter.com/#{resource.twitter_handle}", class: "twitter connected" do
           = image_tag "user/connected.png"
           %h4
             = t("user.#{domain}.oauth.twitter.connected").html_safe

docker-compose.yml

@@ -0,0 +1,15 @@
+version: '3'
+services:
+  db:
+    image: postgres
+    volumes:
+      - ./tmp/db:/var/lib/postgresql/data
+  web:
+    build: .
+    command: bundle exec rails s -p 3000 -b '0.0.0.0'
+    volumes:
+      - .:/activities-app
+    ports:
+      - "3000:3000"
+    depends_on:
+      - db

scripts/start

@@ -0,0 +1,3 @@
+#!/bin/bash
+docker-compose down -v
+docker-compose up --build --force-recreate web

spec/decorators/participant_decorator_spec.rb

@@ -30,7 +30,7 @@
 
     context 'when the user does not want to be shown in activities' do
       it 'is the default Gravatar image' do
-        default = 'http://www.gravatar.com/avatar/00000000000000000000000000000000.png?s=48'
+        default = 'https://www.gravatar.com/avatar/00000000000000000000000000000000.png?s=48'
         user.twitter_handle = 'foobar'
         user.show_participation = false
         expect(subject.avatar_url(48)).to eq(default)