chore(release): Kanbante 0.2.0 — Docker, docs, licence

- Dockerfile: copie du code avant installation (le package installé
  n'est plus vide — I6), utilisateur non-root, HEALTHCHECK
- compose: version: obsolète retiré, variables d'auth, healthcheck
- pyproject: version 0.2.0, jinja2 <4, config pytest
- LICENSE (MIT), CHANGELOG 0.2.0, README réécrit (configuration,
  sécurité, API, tests), .dockerignore

docker-compose.yml

@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   kanbante:
     build: .
@@ -10,9 +8,18 @@ services:
       - GITEA_URL=${GITEA_URL:-https://git.dracodev.net}
       - GITEA_TOKEN=${GITEA_TOKEN}
       - KANBANTE_DB_PATH=/data/kanbante.db
+      # Strongly recommended: without these, the app is unauthenticated.
+      - KANBANTE_AUTH_USER=${KANBANTE_AUTH_USER:-}
+      - KANBANTE_AUTH_PASSWORD=${KANBANTE_AUTH_PASSWORD:-}
+      - KANBANTE_REQUIRE_AUTH=${KANBANTE_REQUIRE_AUTH:-0}
     volumes:
       - kanbante_data:/data
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8080/api/health', timeout=4)"]
+      interval: 30s
+      timeout: 5s
+      start_period: 10s
 
 volumes:
   kanbante_data: