Spike: Rust api

.env

@@ -0,0 +1 @@
+DATABASE_URL=postgres://postgres:postgres@localhost/postgres

.github/workflows/deploy.yml

@@ -1,8 +1,7 @@
 name: Deploy to GOV.UK PaaS
 
 on:
-  push:
-    branches: [main]
+  workflow_dispatch:
 
 env:
   REGISTRY: ghcr.io

.gitignore

@@ -1 +1,2 @@
 forms/
+*target/

Gemfile

@@ -7,3 +7,7 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 gem "sinatra"
 gem "pry"
 gem "thin"
+gem "pg"
+gem "sequel"
+gem "dotenv"
+gem "jwt"

Gemfile.lock

@@ -3,17 +3,21 @@ GEM
   specs:
     coderay (1.1.3)
     daemons (1.4.1)
+    dotenv (2.7.6)
     eventmachine (1.2.7)
+    jwt (2.3.0)
     method_source (1.0.0)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
+    pg (1.2.3)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
     rack (2.2.3)
     rack-protection (2.1.0)
       rack
     ruby2_keywords (0.0.5)
+    sequel (5.52.0)
     sinatra (2.1.0)
       mustermann (~> 1.0)
       rack (~> 2.2)
@@ -29,7 +33,11 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  dotenv
+  jwt
+  pg
   pry
+  sequel
   sinatra
   thin
 

README.md

@@ -1,3 +1,7 @@
 # GOV.UK Forms API Prototype
 
 A prototype for a forms API for the GOV.UK Forms team built with Ruby and Sinatra.
+
+## Running the database with docker
+
+`docker run --name db -e POSTGRES_PASSWORD=postgres -p 5432:5432 -d postgres:13`

config.ru

@@ -0,0 +1,5 @@
+RACK_ENV = ENV['RACK_ENV'] ||= 'development' unless defined?(RACK_ENV)
+require_relative 'loader'
+require_relative './server'
+
+run Server

db/database.rb

@@ -0,0 +1,40 @@
+require "sequel"
+
+class Migrator
+  def initialize
+    Sequel.extension :migration
+  end
+
+  def destroy(database)
+    Sequel::Migrator.run(database, "#{__dir__}/migrations", target: 0)
+  end
+
+  def migrate(database)
+    Sequel::Migrator.run(database, "#{__dir__}/migrations")
+  end
+
+  def migrate_to(database, version)
+    Sequel::Migrator.run(database, "#{__dir__}/migrations", target: version)
+  end
+end
+
+class Database
+  def initialize
+    @migrator = Migrator.new
+  end
+
+  def connect
+    database = Sequel.connect(ENV['DATABASE_URL'])
+    load_extensions_for(database)
+
+    @migrator.migrate(database)
+    database
+  end
+
+  private
+
+  def load_extensions_for(database)
+    database.extension :pg_json
+    database.extension :pg_array
+  end
+end

db/migrations/1_add_forms_table.rb

@@ -0,0 +1,11 @@
+Sequel.migration do
+  change do
+    create_table :forms do
+      primary_key :id, type: :Bignum
+      String :username
+      String :key
+      String :display_name
+      column :form, 'json'
+    end
+  end
+end