zero-to-production/chapter03-1/scripts/init_db.sh
Luca Palmieri 24dccda00c
Chapter 3 Part 1 - Patches ()
* Adjust content encoding.

* Refactor assertion.

* Add one more test case

* Fix assertions.

* Fix route.

* Stricter assertions

* Few fixes.

* Formatting
2020-08-31 02:05:21 +01:00

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#!/usr/bin/env bash
set -x
set -eo pipefail
# Check if a custom user has been set, otherwise default to 'postgres'
DB_USER=${POSTGRES_USER:=postgres}
# Check if a custom password has been set, otherwise default to 'password'
DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
# Check if a custom password has been set, otherwise default to 'newsletter'
DB_NAME="${POSTGRES_DB:=newsletter}"
# Check if a custom port has been set, otherwise default to '5432'
DB_PORT="${POSTGRES_PORT:=5432}"
# Allow to skip Docker if a dockerized Postgres database is already running
if [[ -z "${SKIP_DOCKER}" ]]
then
# Launch postgres using Docker
docker run \
-e POSTGRES_USER=${DB_USER} \
-e POSTGRES_PASSWORD=${DB_PASSWORD} \
-e POSTGRES_DB=${DB_NAME} \
-p "${DB_PORT}":5432 \
-d postgres \
postgres -N 1000
# ^ Increased maximum number of connections for testing purposes
fi
# Keep pinging Postgres until it's ready to accept commands
until PGPASSWORD="${DB_PASSWORD}" psql -h "localhost" -U "${DB_USER}" -p "${DB_PORT}" -d "postgres" -c '\q'; do
>&2 echo "Postgres is still unavailable - sleeping"
sleep 1
done
>&2 echo "Postgres is up and running on port ${DB_PORT} - running migrations now!"
export DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@localhost:${DB_PORT}/${DB_NAME}
sqlx database create
sqlx migrate run
>&2 echo "Postgres has been migrated, ready to go!"