login/logout

Gemfile

@@ -8,8 +8,8 @@ end
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.1.4'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+# Use postgress as the database for Active Record
+gem 'postgresql'
 # Use Puma as the app server
 gem 'puma', '~> 3.7'
 # Use SCSS for stylesheets

Gemfile.lock

@@ -125,6 +125,9 @@ GEM
       oauth2 (~> 1.0)
       omniauth (~> 1.2)
     orm_adapter (0.5.0)
+    pg (0.21.0)
+    postgresql (1.0.0)
+      pg
     public_suffix (3.0.0)
     puma (3.10.0)
     rack (2.0.3)
@@ -188,7 +191,6 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sqlite3 (1.3.13)
     thor (0.20.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
@@ -225,13 +227,13 @@ DEPENDENCIES
   listen (>= 3.0.5, < 3.2)
   materialize-sass
   omniauth-facebook
+  postgresql
   puma (~> 3.7)
   rails (~> 5.1.4)
   sass-rails (~> 5.0)
   selenium-webdriver
   spring
   spring-watcher-listen (~> 2.0.0)
-  sqlite3
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)