Dockerfile

@@ -5,7 +5,7 @@ ARG RUBY_PATCH=5
 FROM ${BASE_IMAGE}:${ALPINE_VERSION}-${RUBY_VERSION}.${RUBY_PATCH}
 ENV RAILS_ENV production
 
-RUN apk add --no-cache libxslt libxml2 tzdata postgresql-libs libstdc++
+RUN apk add --no-cache libxslt libxml2 tzdata --no-cache postgresql-libs libstdc++
 
 VOLUME "/srv"
 

app/controllers/readings_controller.rb

@@ -39,11 +39,8 @@ class ReadingsController < ActionController::API
     head :bad_request
   end
 
-  # Registra una Raspberry junto con su llave pública
   def raspberry
-    @raspberry ||= Raspberry.find_or_create_by!(name: params[:controller_id]).tap do |r|
-      r.public_keys.find_or_create_by(content: request.headers[:'X-Public-Key'])
-    end
+    @raspberry ||= Raspberry.find_or_create_by! name: params[:controller_id]
   end
 
   # Procesa la transacción

app/models/public_key.rb

@@ -1,8 +0,0 @@
-# frozen_string_literal: true
-
-class PublicKey < ApplicationRecord
-  belongs_to :raspberry
-
-  validates_presence_of :content
-  validates_uniqueness_of :content
-end

app/models/raspberry.rb

@@ -3,7 +3,6 @@
 class Raspberry < ApplicationRecord
   has_many :readings
   has_many :arduinos
-  has_many :public_keys
 
   validates_presence_of :name
   validates_uniqueness_of :name

db/migrate/20220312183608_create_public_keys.rb

@@ -1,28 +0,0 @@
-# frozen_string_literal: true
-
-# Una Raspberry puede tener muchas llaves públicas
-class CreatePublicKeys < ActiveRecord::Migration[6.1]
-  def up
-    create_table :public_keys, id: :uuid do |t|
-      t.timestamps
-      t.uuid :raspberry_id, index: true
-      t.string :content, null: false, unique: true
-    end
-
-    Raspberry.find_each do |r|
-      r.public_keys.create content: r.public_key
-    end
-
-    remove_column :raspberries, :public_key
-  end
-
-  def down
-    add_column :raspberries, :public_key, :string
-
-    Raspberry.find_each do |r|
-      r.update public_key: r.public_keys.first.public_key
-    end
-
-    drop_table :public_keys
-  end
-end