vault: deployment manifest, some docs, backup script - expected to run

on docker host

docker-30/vault/docker-compose.yaml

@@ -0,0 +1,20 @@
+services:
+  vault:
+    image: hashicorp/vault:1.21.1
+    container_name: vault
+    restart: unless-stopped
+    cap_add:
+      - IPC_LOCK
+    ports:
+      - 8200:8200
+    environment:
+      - VAULT_ADDR=http://0.0.0.0:8200
+      - VAULT_API_ADDR=http://0.0.0.0:8200
+      - VAULT_ADDRESS=http://0.0.0.0:8200
+    volumes:
+      - ./data:/vault/data
+      - ./config:/vault/config
+      - ./logs:/vault/logs
+      - ./certs:/vault/certs
+    entrypoint: vault      
+    command: server -config=/vault/config/vault.json -log-level=debug