84 lines
3.2 KiB
Bash
84 lines
3.2 KiB
Bash
#!/bin/bash
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set -eu
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# ==================================================================================== #
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# VARIABLES
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# ==================================================================================== #
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# Set the timezone for the server. A full list of available timezones can be found by
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# running timedatectl list-timezones.
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TIMEZONE=America/New_York
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# Set the name of the new user to create.
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USERNAME=greenlight
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# Prompt to enter a password for the PostgreSQL greenlight user (rather than hard-coding
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# a password in this script).
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read -p "Enter password for greenlight DB user: " DB_PASSWORD
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# Force all output to be presented in en_US for the duration of this script. This avoids
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# any "setting locale failed" errors while this script is running, before we have
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# installed support for all locales. Do not change this setting!
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export LC_ALL=en_US.UTF-8
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# ==================================================================================== #
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# SCRIPT LOGIC
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# ==================================================================================== #
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# Enable the "universe" repository.
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add-apt-repository --yes universe
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# Update all software packages. Using the --force-confnew flag means that configuration
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# files will be replaced if newer ones are available.
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apt update
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apt --yes -o Dpkg::Options::="--force-confnew" upgrade
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# Set the system timezone and install all locales.
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timedatectl set-timezone ${TIMEZONE}
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apt --yes install locales-all
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# Add the new user (and give them sudo privileges).
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useradd --create-home --shell "/bin/bash" --groups sudo "${USERNAME}"
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# Force a password to be set for the new user the first time they log in.
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passwd --delete "${USERNAME}"
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chage --lastday 0 "${USERNAME}"
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# Copy the SSH keys from the root user to the new user.
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rsync --archive --chown=${USERNAME}:${USERNAME} /root/.ssh /home/${USERNAME}
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# Configure the firewall to allow SSH, HTTP and HTTPS traffic.
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ufw allow 22
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ufw allow 80/tcp
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ufw allow 443/tcp
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ufw --force enable
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# Install fail2ban.
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apt --yes install fail2ban
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# Install the migrate CLI tool.
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curl -L https://github.com/golang-migrate/migrate/releases/download/v4.14.1/migrate.linux-amd64.tar.gz | tar xvz
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mv migrate.linux-amd64 /usr/local/bin/migrate
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# Install PostgreSQL.
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apt --yes install postgresql
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# Set up the greenlight DB and create a user account with the password entered earlier.
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sudo -i -u postgres psql -c "CREATE DATABASE greenlight"
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sudo -i -u postgres psql -d greenlight -c "CREATE EXTENSION IF NOT EXISTS citext"
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sudo -i -u postgres psql -d greenlight -c "CREATE ROLE greenlight WITH LOGIN PASSWORD '${DB_PASSWORD}'"
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# Add a DSN for connecting to the greenlight database to the system-wide environment
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# variables in the /etc/environment file.
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echo "GREENLIGHT_DB_DSN='postgres://greenlight:${DB_PASSWORD}@localhost/greenlight'" >>/etc/environment
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# Install Caddy (see https://caddyserver.com/docs/install#debian-ubuntu-raspbian).
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apt --yes install -y debian-keyring debian-archive-keyring apt-transport-https
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curl -L https://dl.cloudsmith.io/public/caddy/stable/gpg.key | sudo apt-key add -
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curl -L https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt | sudo tee -a /etc/apt/sources.list.d/caddy-stable.list
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apt update
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apt --yes install caddy
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echo "Script complete! Rebooting..."
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reboot
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