$ sh build.sh

$ docker swarm init

$ docker stack deploy func --compose-file docker-compose.yml --prune

$ PG_CONTAINER_ID=$(docker ps --filter name=movies-db --format "{{.ID}}")
$ docker exec -ti $PG_CONTAINER_ID psql -U postgres -W
# CREATE DATABASE movies;
# \c movies
# CREATE TABLE movie(id SERIAL, name varchar);
# \q

$ curl -X POST http://localhost:8080/function/func_api-create -d \
  '{"name":"NeverEnding Story"}'

$ curl http://localhost:8080/function/func_api-read

$ curl -X POST http://localhost:8080/function/func_api-update -d \
  '{"name":"NeverEnding Story 2", "id": "1"}'

$ curl -X POST http://localhost:8080/function/func_api-delete -d \
  '{"id":"1"}'