Update travis and bundler, and downgrade minimum postgresql

.travis.yml

@@ -3,11 +3,14 @@ cache: bundler
 
 language: ruby
 rvm:
-- 2.6.3
+- 2.7.0
 
 services:
 - memcached
+- postgresql
+
+addons:
+  postgresql: 11
 
 before_script:
-- sudo script/travis_prepare_db
 - script/travis_prepare

Gemfile.lock

@@ -286,4 +286,4 @@ DEPENDENCIES
   will_paginate
 
 BUNDLED WITH
-   1.17.2
+   2.1.2

README.md

@@ -12,8 +12,8 @@ Requirements
 
 As this is ongoing project, there will be more changes on requirement as this project goes. Currently this application is developed using:
 
-* Ruby 2.6
-* PostgreSQL 12
+* Ruby 2.6+
+* PostgreSQL 11+
 * Bundler gem
 * ImageMagick
 * And various other requirement for the gems (check `Gemfile` for the list)

db/structure.sql

@@ -303,8 +303,6 @@ CREATE FUNCTION public.user_logs_touch(new_user_id integer, new_ip inet) RETURNS
 
 SET default_tablespace = '';
 
-SET default_table_access_method = heap;
-
 --
 -- Name: advertisements; Type: TABLE; Schema: public; Owner: -
 --

script/travis_prepare

@@ -5,7 +5,7 @@ mkdir -p public/data
 cat <<EOF > config/database.yml
 test:
   adapter: postgresql
-  port: 5433
+  port: 5432
   username: postgres
   database: moebooru_test
 EOF

script/travis_prepare_db

@@ -1,11 +0,0 @@
-#!/bin/sh
-
-. /etc/lsb-release
-echo "deb http://apt.postgresql.org/pub/repos/apt/ ${DISTRIB_CODENAME}-pgdg main" > /etc/apt/sources.list.d/pgdg.list
-curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
-apt-get update
-apt-get install -y postgresql-12
-
-cp /etc/postgresql/10/main/pg_hba.conf /etc/postgresql/12/main/pg_hba.conf
-
-pg_ctlcluster 12 main reload