#!/bin/bash

set -xe

DB_CONTAINER_ID=$(docker run -d -e POSTGRES_PASSWORD=test postgres:18)

echo $DB_CONTAINER_ID

mkdir -p output/

TRACE_CONTAINER_ID=$(docker run --rm \
  --network container:$DB_CONTAINER_ID \
  --cap-add NET_RAW \
  --cap-add NET_ADMIN \
  -v "$PWD/output:/captures" \
  -d \
  nicolaka/netshoot \
  tcpdump -i lo -nn -U -w /captures/container.pcap)

sleep 3

echo "SELECT 1;" | docker run --rm --network container:$DB_CONTAINER_ID -i postgres:18 psql -h localhost -p 5432 -U postgres;

sleep 3

docker stop $TRACE_CONTAINER_ID
docker stop $DB_CONTAINER_ID