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Hoping writing JS, Ruby & Rails and Go article, but fallback to DevOps note

Install Rails Stack for Ubuntu 20.04

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Install nginx

sudo su -

cd /etc/apt/sources.list.d/

vi nginx.list

apt update

And paste the source:

nginx.list
deb https://nginx.org/packages/ubuntu/ focal nginx

deb-src https://nginx.org/packages/ubuntu/ focal nginx

And public keys:

apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ABF5BD827BD9BF62

apt update

apt-get install nginx

systemctl start nginx

systemctl enable nginx

It’s also possible to enable TLS 1.1/1.2 due to Ubuntu 20.04 not support by default.

/etc/nginx/nginx.conf
ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;

# seclevel for TLS 1.0 and 1.1

ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH:@SECLEVEL=1";

Install node.js 16 and yarn 1.x

Using nodesource distribution

curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash -

sudo apt-get install gcc g++ make git

sudo apt-get install -y nodejs

## To install the Yarn package manager

curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/yarnkey.gpg >/dev/null

echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list

sudo apt-get update && sudo apt-get install yarn

Install rbenv

sudo su - # as root

apt update

apt install build-essential libgdbm-dev libncurses-dev libreadline-dev libssl-dev libyaml-dev zlib1g-dev

logout # as ubuntu

# git clone https://github.com/rbenv/rbenv.git ~/.rbenv

git clone https://gitee.com/Eric-Guo/rbenv.git ~/.rbenv

echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc

echo 'eval "$(rbenv init -)"' >> ~/.bashrc

source ~/.bashrc

type rbenv

# git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build

git clone https://gitee.com/Eric-Guo/ruby-build.git "$(rbenv root)"/plugins/ruby-build

# git clone https://github.com/andorchen/rbenv-china-mirror.git "$(rbenv root)"/plugins/rbenv-china-mirror

git clone https://gitee.com/Eric-Guo/rbenv-china-mirror.git "$(rbenv root)"/plugins/rbenv-china-mirror

rbenv install -l

Install ruby 3.2.1

sudo apt-get install libyaml-dev

rbenv install 3.2.1

rbenv global 3.2.1

echo "gem: --no-document" > ~/.gemrc

rbenv shell 3.2.1

gem update --system

gem install bundler

gem install bundler --default

gem install bundler

Install postgresql

apt-get install postgresql

apt-get install postgresql-server-dev-all

sudo su - postgres

createuser ubuntu

psql

ALTER ROLE ubuntu LOGIN;

CREATE DATABASE wefocusin_production WITH ENCODING='UTF8' OWNER=ubuntu;

logout

psql -d wefocusin_production -f wefocusin_production.sql

Install certbot

sudo apt install snapd

sudo snap install core

sudo snap refresh core

sudo snap install --classic certbot

sudo ln -s /snap/bin/certbot /usr/bin/certbot

sudo certbot --nginx

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