improve varaible

Dockerfile

@@ -1,4 +1,6 @@
 FROM vault:1.13.3
+ENV VAULT_ADDR="http://active.vault.service.consul:8200"
+ENV RETENTION=30
 COPY vault-backup.sh /
 CMD ./vault-backup.sh
 VOLUME /backup

Readme.md

@@ -1,11 +1,21 @@
 # docker-vault-backup
 
 perform a backup of vault raft base
+need an vautl approle authentification with following policie
+
+```terraform
+  rule {
+      path = "sys/storage/raft/snapshot"
+      capabilities = ["read"]
+  }
+```
 
 ## ENV variable
 
 - VAULT_APPROLEID
 - VAULT_SECRETID
+- RETENTION
+- VAULT_ADDR
 
 ## mount
 

vault-backup.sh

@@ -2,9 +2,6 @@
 export PATH_SNAPSHOT="/backup"
 export PATH_DIR="daily"
 export PATH_BACKUP=$PATH_SNAPSHOT"/"$PATH_DIR
-export VAULT_ADDR="http://active.vault.service.consul:8200"
-export RETENTION=30
-export ENV="0"    # (0 = staging, 1 = production)
 export SNAPSHOT_FILE=$(date +%Y-%m-%d)