diff --git a/src/keri/db/dbing.py b/src/keri/db/dbing.py
index 2d045a6c..62a2b40f 100644
--- a/src/keri/db/dbing.py
+++ b/src/keri/db/dbing.py
@@ -59,8 +59,11 @@
 
 from hio.base import filing
 
+from .. import help
 from ..help import helping
 
+logger = help.ogler.getLogger()
+
 ProemSize = 32  # does not include trailing separator
 MaxProem = int("f"*(ProemSize), 16)
 MaxON = int("f"*32, 16)  # largest possible ordinal number, sequence or first seen
@@ -68,6 +71,8 @@
 SuffixSize = 32  # does not include trailing separator
 MaxSuffix = int("f"*(SuffixSize), 16)
 
+KERIDBMapSizeKey = "KERI_DB_MAP_SIZE"
+
 def dgKey(pre, dig):
     """
     Returns bytes DB key from concatenation of '.' with qualified Base64 prefix
@@ -381,7 +386,13 @@ def reopen(self, readonly=False, **kwa):
 
         # open lmdb major database instance
         # creates files data.mdb and lock.mdb in .dbDirPath
-        print(f"Opening DB with map size: {self.MapSize}")
+        if (mapSize := os.getenv(KERIDBMapSizeKey)) is not None:
+            try:
+                self.MapSize = int(mapSize)
+            except ValueError:
+                logger.error("KERI_DB_MAP_SIZE must be an integer value >1!")
+                raise
+
         self.env = lmdb.open(self.path, max_dbs=self.MaxNamedDBs, map_size=self.MapSize,
                              mode=self.perm, readonly=self.readonly)
         self.opened = True if opened and self.env else False
diff --git a/test.md b/test.md
new file mode 100644
index 00000000..0e8d6a9c
--- /dev/null
+++ b/test.md
@@ -0,0 +1,47 @@
+kli init --name watcherpy --nopasscode --base ./base --config-dir ./keri-conf --config-file config
+
+
+kli incept --name watcherpy --alias watcherpy --base ./base --file ./keri-conf/data/data.json
+
+
+sudo rm -rf ~/.keri
+
+
+# Demo witness
+
+kli init --name local-wit --nopasscode --config-dir ./scripts --config-file demo-witness-oobis
+
+kli incept --name local-wit --alias local-wit --file ./scripts/demo/data/multisig-3-sample.json
+
+
+# Test2
+kli init --name test4 --nopasscode --config-dir ./keri-conf --config-file config
+
+
+kli incept --name test4 --alias test4 --file ./keri-conf/data/data.json
+
+
+# Stage
+kli init --name stagetest66 --nopasscode --config-dir ./keri-conf --config-file stage-config
+kli incept --name stagetest66 --alias stagetest66 --file ./keri-conf/data/stage-data.json
+
+# Test3
+kli init --name devtest22 --nopasscode --config-dir ./keri-conf --config-file config
+kli incept --name devtest22 --alias devtest22 --file ./keri-conf/data/data.json
+
+# With Base?
+
+kli init \                     
+      --name alice_ks \
+      --base play/one/alice  \
+      --nopasscode \
+      --salt ${ALICE_SALT} \
+      --config-dir ${KERI_CONFIG_DIR} \
+      --config-file alice-witness-oobis
+
+
+kli incept \
+      --name alice_ks \
+      --base play/one/alice \
+      --alias alice-aid \
+      -f play/one/alice/kid-conf.json
\ No newline at end of file