New Ruby on Rails app

New Rails app attempt number 2

1. Install Ruby
2. Install Rails gem (or check if you have the latest version)
3. rails new fwcheck –database=postgresql

4. apt install postgresql postgresql-contrib libpq-dev

5. Postgres in Docker:

set username and password in docker-compose

run ‘export DATABASE_URL=postgres://user:pass@127.0.0.1/’

version: ‘3.7’

services: db: image: postgres:15 restart: always ports: - 0.0.0.0:5432:5432 environment: POSTGRES_PASSWORD: example volumes: - ./_PGDATA:/var/lib/postgresql/data

1. sudo -u postgres createuser -s fwcheck -P

OR

• CREATE USER aike WITH PASSWORD '123';
• ALTER ROLE aike CREATEROLE SUPERUSER CREATEDB;

1. echo ‘export APPNAME_DATABASE_PASSWORD=”PostgreSQL_Role_Password”’ » ~/.bashrc
2. source ~/.bashrc
3. configure username and password for dev in config/database.yaml host: localhost username: me password: <%= ENV[‘APPNAME_DATABASE_PASSWORD’] %>
4. Install Devise
5. bundle add administrate

• rails g scaffold Address user:references ip:string name:string
• rails g scaffold Result address:references port:integer status:string scanned_at:datetime protocol:string tls:boolean

Kamal deploy

1. bundle add kamal
2. kamal init
3. assume ssl! not force

On target host: mkdir -p /opt/letsencrypt && touch /opt/letsencrypt/acme.json && chmod 600 /opt/letsencrypt/acme.json docker network create -d bridge private