entrypoint.sh

#!/bin/sh
# Note: !/bin/sh must be at the top of the line,
# Alpine doesn't have bash so we need to use sh.

# Docker entrypoint script.
# Don't forget to give this file execution rights via `chmod +x entrypoint.sh`
# which I've added to the Dockerfile but you could do this manually instead.
# Wait until Postgres is ready before running the next step.
while ! pg_isready -q -h $DATABASE_HOST -p $DATABASE_PORT -U $DATABASE_USER
do
  echo "$(date) - waiting for database to start."
  sleep 2
done
# print_db_name()
# {
#   `PGPASSWORD=$DATABASE_PASS psql -h $DATABASE_HOST
#   -U $DATABASE_USER -Atqc "\\list $DATABASE_NAME"`
# }
# Create the database if it doesn't exist.
# -z flag returns true if string is null.
# if [[ -z print_db_name ]]; then
#   echo "Database $DATABASE_NAME does not exist. Creating..."
#   mix ecto.create
#   echo "Database $DATABASE_NAME created."
# fi
# Runs migrations, will skip if migrations are up to date.
echo "Database $DATABASE_NAME exists, running migrations..."
mix ecto.migrate
echo "Migrations finished."
# Start the server.
exec mix phx.server