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register-referentie/infra/seed-config.sh
Niek Otten b349dff496
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refactor(infra): use upstream images verbatim, seed config via docker cp (refs #30)
Drops the inline-build images for the upstream services. The compose now
references the published images directly (openzaak/open-zaak,
openzaak/open-notificaties, keycloak, curl, flowable-rest) with no build for
them, and the config they need is streamed into external named volumes by
infra/seed-config.sh:

  rr-oz-config  -> oz-init     /app/setup_configuration   (data.yaml)
  rr-kc-realms  -> keycloak    /opt/keycloak/data/import   (realm exports)
  rr-fl-bpmn    -> flowable-init /work                     (registratie.bpmn)

How: the seeder creates each volume, `docker create`s a throwaway helper that
mounts it, `docker cp`s the files in, and removes it. docker cp streams over the
Docker API, so it works in Docker-in-Docker (the CI runner) where bind mounts
mount empty. It uses plain `docker create`/`cp` — NOT `docker compose create`,
which podman-compose (local dev) lacks. `external: true` fixed names keep the
volumes identical across docker compose and podman-compose.

Consequence: bare `docker compose up` no longer self-seeds, so use `make up`
(seeds then starts). Every `*-up` target seeds first; `*-down` removes the
external volume. acl/bff are still built (they're our apps, not upstream images).

Verified end-to-end on podman-compose: `make keycloak-up` seeds rr-kc-realms,
the upstream Keycloak mounts it, and --import-realm imports all four realms
(digid realm returns 200). Seeder runs in ~2s.

Docs updated: gitea-actions-gotchas.md, ci.md, openzaak.md.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-25 10:22:14 +02:00

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#!/usr/bin/env bash
#
# Populate the external named *config* volumes that the upstream services mount,
# by `docker cp`-ing files into a throwaway helper container that mounts each one.
#
# Why: the compose stack uses the upstream images verbatim (no build). On Gitea's
# containerized runner, `docker compose` starts the stack as SIBLING containers
# via the host daemon, so a workspace bind mount resolves to a path the daemon
# can't see and is mounted empty. `docker cp` instead streams bytes over the
# Docker API, so the files reach the volume regardless of where the daemon runs.
# We use plain docker primitives (volume create / run / cp / rm) rather than
# `docker compose create`, because podman-compose (local dev) lacks that
# subcommand. Fixed-name `external` volumes keep the names deterministic across
# both runtimes. See docs/runbooks/gitea-actions-gotchas.md.
#
# Usage: seed-config.sh <key> [<key> ...] where key ∈ { oz, kc, fl }
set -euo pipefail
here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
HELPER="${SEED_HELPER_IMAGE:-docker.io/library/busybox:stable}"
populate() { # volume source(file or dir/.)
local vol="$1" src="$2" cid
docker volume rm -f "$vol" >/dev/null 2>&1 || true
docker volume create "$vol" >/dev/null
# A *created* (never started) helper is enough: the volume is attached at create
# time, `docker cp` writes through to it, and `docker rm` is instant (nothing to
# stop). `docker create` is a container subcommand both docker and podman have —
# unlike `docker compose create`, which podman-compose lacks.
cid="$(docker create -v "$vol:/dest" "$HELPER" true)"
docker cp "$src" "$cid:/dest/"
docker rm "$cid" >/dev/null
echo " seeded $vol"
}
[ "$#" -gt 0 ] || { echo "usage: seed-config.sh <oz|kc|fl> ..." >&2; exit 2; }
for key in "$@"; do
case "$key" in
oz) populate rr-oz-config "$here/openzaak/setup_configuration/." ;;
kc) populate rr-kc-realms "$here/keycloak/realms/." ;;
fl) populate rr-fl-bpmn "$here/../workflows/registratie.bpmn" ;;
*) echo "unknown seed key: $key" >&2; exit 2 ;;
esac
done