add Docker OracleDB for test purposes

docker-compose.yml

@@ -0,0 +1,24 @@
+# cleanup: docker compose down -v
+
+services:
+  oracle-db:
+    # "faststart" tag loads pre-configured DB
+    # starts in seconds, not minutes!
+    image: gvenzl/oracle-free:23-slim-faststart
+    container_name: oracle_dev_db
+    ports:
+      - "1521:1521"
+    environment:
+      # passwords for system admins (SYS, SYSTEM)
+      - ORACLE_PASSWORD=Master_Admin
+      # user/schema at first start
+      - APP_USER=WATTANA
+      - APP_USER_PASSWORD=MyWattanaPassword123
+    volumes:
+      - oracle_data:/opt/oracle/oradata
+      # mounts local folder SQL initialisation scripts
+      - ./oracle/init-scripts:/container-entrypoint-startdb.d
+    restart: unless-stopped
+
+volumes:
+  oracle_data: