replace bootstrap gem with vendored theme assets (#332)

This removes the need for execjs gem and node and should allow us to
also use the latest alpine version of ruby docker image again.

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:3.2.2-alpine3.18
+FROM ruby:3.2.2-alpine
 
 MAINTAINER Klaus Meyer <[email protected]>
 
@@ -20,7 +20,7 @@ WORKDIR /app
 ADD . .
 
 RUN apk update \
- && apk add build-base zlib-dev tzdata git nodejs openssl-dev shared-mime-info postgresql-dev libc6-compat \
+ && apk add build-base zlib-dev tzdata git openssl-dev shared-mime-info postgresql-dev libc6-compat \
  && rm -rf /var/cache/apk/* \
  && gem install bundler -v $(tail -n1 Gemfile.lock | xargs) \
  && bundle config set build.sassc '--disable-march-tune-native' \

Gemfile

@@ -75,11 +75,11 @@ end
 gem "jsonapi-rails", "~> 0.4.0"
 gem "doorkeeper", "~> 5.3"
 gem "airbrake", "~> 13.0.0"
-gem "bootstrap", "~> 4.3"
 gem "devise", "~> 4.9"
 gem "devise-bootstrap-views", "~> 1.1"
 gem "turbolinks", "~> 5.2"
 gem "jquery-rails", "~> 4.3"
+gem "popper_js", "< 2"
 gem "kaminari", "~> 1.1"
 gem "tvdb2", github: "pioz/tvdb2", ref: "e720ffb"
 gem "health_check", "~> 3.1"

Gemfile.lock

@@ -88,8 +88,6 @@ GEM
       airbrake-ruby (~> 6.0)
     airbrake-ruby (6.2.2)
       rbtree3 (~> 0.6)
-    autoprefixer-rails (10.4.7.0)
-      execjs (~> 2)
     aws-eventstream (1.3.0)
     aws-partitions (1.873.0)
     aws-sdk-core (3.190.1)
@@ -111,10 +109,6 @@ GEM
     bigdecimal (3.1.4)
     bootsnap (1.17.0)
       msgpack (~> 1.2)
-    bootstrap (4.6.2)
-      autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.16.1, < 2)
-      sassc-rails (>= 2.0.0)
     builder (3.2.4)
     concurrent-ruby (1.2.2)
     connection_pool (2.4.1)
@@ -140,7 +134,6 @@ GEM
     drb (2.2.0)
       ruby2_keywords
     erubi (1.12.0)
-    execjs (2.8.1)
     factory_bot (6.4.2)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.4.2)
@@ -336,7 +329,6 @@ DEPENDENCIES
   airbrake (~> 13.0.0)
   aws-sdk-s3
   bootsnap
-  bootstrap (~> 4.3)
   debug
   devise (~> 4.9)
   devise-bootstrap-views (~> 1.1)
@@ -349,6 +341,7 @@ DEPENDENCIES
   jsonapi-rails (~> 0.4.0)
   kaminari (~> 1.1)
   pg (>= 0.18, < 2.0)
+  popper_js (< 2)
   puma (>= 5.0)
   rails (~> 7.1.0)
   rspec-rails (~> 6.0)

app/assets/javascripts/application.js

@@ -15,6 +15,6 @@
 
 //= require jquery3
 //= require popper
-//= require bootstrap-sprockets
+//= require bootstrap
 
 //= require seasons