diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..909e1650
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,70 @@
+name: Continuous Integration
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    services:
+      postgres:
+        image: postgres:11-alpine
+        ports: ["5432:5432"]
+        env:
+          #POSTGRES_DB: nztraintest # not required because script/install.bash creates the database
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+        options: >-
+          --health-cmd "pg_isready -U postgres"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+      redis:
+        image: redis
+        ports: ["6379:6379"]
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      RAILS_ENV: test
+      DATABASE_URL: "postgresql://postgres:postgres@localhost:5432"
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+
+      - run: bash script/install/config.bash --defaults
+        env:
+          DATABASE_INSTALL: false
+          DATABASE_USERNAME: postgres
+          DATABASE:
+          TEST_DATABASE: nztraintest
+          REDIS_INSTALL: false
+          REDIS_PASS:
+          SCHEDULE_BACKUPS: 0
+          ISOLATE_ROOT: /
+          ISOLATE_CGROUPS: false
+          ISOLATE_BRANCH: master
+
+      - run: AUTOCONFIRM=true script/install.bash
+        env:
+          PGHOST: localhost
+          PGUSER: postgres
+          PGPASSWORD: postgres
+
+      #- run: bundle exec rake db:test:load # not required because script/install.bash runs db:migrate
+      - run: bundle exec rspec
+
+      - uses: coverallsapp/github-action@v2
+
+  lint:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+
+      - run: bundle exec standardrb --parallel
diff --git a/.gitignore b/.gitignore
index 8b5ec3b4..8bfd125f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,6 @@
 /db/backup/
 /db/backups/
 /.fontello
-/coverage/.*
+/coverage/
 /vendor/bundle
 
diff --git a/Gemfile b/Gemfile
index 27bf685b..110aed37 100644
--- a/Gemfile
+++ b/Gemfile
@@ -62,7 +62,7 @@ gem 'sinatra'
 
 # Monitoring
 gem 'newrelic_rpm'
-gem 'coveralls', require: false
+gem 'simplecov', require: false
 gem 'sentry-raven'
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index 42a1bb12..722abfd3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,12 +106,6 @@ GEM
     country_select (3.1.1)
       countries (~> 2.0)
       sort_alphabetical (~> 1.0)
-    coveralls (0.8.21)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.14.1)
-      term-ansicolor (~> 1.3)
-      thor (~> 0.19.4)
-      tins (~> 1.6)
     crass (1.0.5)
     daemons (1.4.1)
     debug_inspector (0.0.3)
@@ -123,7 +117,7 @@ GEM
       thread_safe (~> 0.1)
       warden (~> 1.2.3)
     diff-lcs (1.5.0)
-    docile (1.1.5)
+    docile (1.3.5)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     erubi (1.12.0)
@@ -365,11 +359,10 @@ GEM
     simple_form (3.2.1)
       actionpack (> 4, < 5.1)
       activemodel (> 4, < 5.1)
-    simplecov (0.14.1)
-      docile (~> 1.1.0)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+    simplecov (0.18.5)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+    simplecov-html (0.12.3)
     sinatra (1.4.8)
       rack (~> 1.5)
       rack-protection (~> 1.4)
@@ -403,8 +396,6 @@ GEM
       request_store (~> 1.0.3)
       strong_attributes (~> 0.0.2)
     superfish-rails (1.6.0.1)
-    term-ansicolor (1.6.0)
-      tins (~> 1.0)
     thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
@@ -412,7 +403,6 @@ GEM
     thor (0.19.4)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tins (1.16.3)
     ttfunk (1.5.1)
     tzinfo (1.2.11)
       thread_safe (~> 0.1)
@@ -454,7 +444,6 @@ DEPENDENCIES
   connection_pool
   countries
   country_select
-  coveralls
   devise (~> 3.4.1)
   facebox-rails
   factory_bot_rails
@@ -495,6 +484,7 @@ DEPENDENCIES
   sentry-raven
   simple-navigation (= 3.11.0)
   simple_form (= 3.2.1)
+  simplecov
   sinatra
   spring
   squeel
diff --git a/script/install.bash b/script/install.bash
index 61274dbd..9dedd570 100755
--- a/script/install.bash
+++ b/script/install.bash
@@ -47,7 +47,7 @@ bash script/install/jdk.bash || exit 1 # required by yui-compressor
 sudo bash script/install/isolate.bash || exit 1 # install isolate
 sudo bash script/install/cgroup.bash || exit 1 # install cgroups
 sudo bash script/install/isolock.bash || exit 1 # install isolock
-sudo bash script/install/debootstrap.bash || exit 1 # install debootstrap ubuntu if required
+sudo CI=$CI bash script/install/debootstrap.bash || exit 1 # install debootstrap ubuntu if required
 
 if [[ "$REDIS_INSTALL" = "true" ]]; then
   sudo bash script/install/redis.bash || exit 1 # install redis
diff --git a/script/install/debootstrap.bash b/script/install/debootstrap.bash
index 6e532e9b..187415dc 100644
--- a/script/install/debootstrap.bash
+++ b/script/install/debootstrap.bash
@@ -59,7 +59,7 @@ chroot "$ISOLATE_ROOT" apt-get update
 echo "$chroot_install software-properties-common"
 chroot "$ISOLATE_ROOT" apt-get install software-properties-common # provides add-apt-repository
 
-[ -z "$TRAVIS" ] && { # if not in Travis-CI
+[ -z "$CI" ] && { # if not in CI
   # python ppa
   if ! chroot "$ISOLATE_ROOT" apt-cache show python3.4 &>/dev/null ||
       ! chroot "$ISOLATE_ROOT" apt-cache show python3.8 &>/dev/null; then
@@ -91,7 +91,7 @@ chroot "$ISOLATE_ROOT" apt-get install build-essential # C/C++ (g++, gcc)
 echo "$chroot_install ruby"
 chroot "$ISOLATE_ROOT" apt-get install ruby # Ruby (ruby)
 
-[ -z "$TRAVIS" ] && { # if not in Travis-CI
+[ -z "$CI" ] && { # if not in CI
   # add haskell ppa
   echo "$chroot_cmd add-apt-repository ppa:hvr/ghc -y"
   chroot "$ISOLATE_ROOT" add-apt-repository ppa:hvr/ghc -y
@@ -125,7 +125,7 @@ fi
 echo "$chroot_install openjdk-11-jdk"
 chroot "$ISOLATE_ROOT" apt-get install openjdk-11-jdk # Java
 
-[ -z "$TRAVIS" ] && { # if not in Travis-CI
+[ -z "$CI" ] && { # if not in CI
 
   # echo "$chroot_install python"
   # chroot "$ISOLATE_ROOT" apt-get install python # Python 2 (deprecated)
@@ -204,11 +204,11 @@ echo "$chroot_cmd update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9
 chroot "$ISOLATE_ROOT" update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 75
 # gcc 9 done
 
-[ -z "$TRAVIS" ] && bash script/confirm.bash 'Install the V8 JavaScript Engine (submissions in JavaScript will fail without this!)' && {
+[ -z "$CI" ] && bash script/confirm.bash 'Install the V8 JavaScript Engine (submissions in JavaScript will fail without this!)' && {
   HOME=/root ISOLATE_ROOT= chroot "$ISOLATE_ROOT" bash < script/install/v8.bash
 }
 
-[ -z "$TRAVIS" ] && bash script/confirm.bash 'Install .NET Core (C#)' && {
+[ -z "$CI" ] && bash script/confirm.bash 'Install .NET Core (C#)' && {
   # check kernel version
   uname -r | bash script/check_version.bash 4.14.0 || {
     echo "Warning: Linux kernel $(uname -r) detected, .NET Core requires kernel >= 4.14"
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 118c29f9..fcdf3a9b 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,5 +1,5 @@
-require 'coveralls'
-Coveralls.wear!('rails')
+require 'simplecov'
+SimpleCov.start 'rails'
 
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 ENV["RAILS_ENV"] ||= 'test'