Database connection and user registration

scripts/init_db.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+set -x
+set -eo pipefail
+
+if ! [ -x "$(command -v psql)" ]; then
+    echo >&2 "Error: psql is not installed."
+    exit 1
+fi
+
+if ! [ -x "$(command -v sqlx)" ]; then
+    echo >&2 "Error: sqlx is not installed."
+    exit 1
+fi
+
+DB_USER="${POSTGRES_USER:=postgres}"
+DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
+DB_NAME="${POSTGRES_DB:=newsletter}"
+DB_PORT="${POSTGRES_PORT:=5432}"
+DB_HOST="${POSTGRES_HOST:=localhost}"
+
+if [[ -z "${SKIP_DOCKER}" ]]; then
+    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
+fi
+
+export PGPASSWORD="${DB_PASSWORD}"
+until psql -h "${DB_HOST}" -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 ${DB_PORT} - running migrations now!"
+
+DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}
+export DATABASE_URL
+sqlx database create
+sqlx migrate run
+
+>&2 echo "Postgres has been migrated, ready to go!"