diff --git a/Makefile b/Makefile
index 2dbf620..4f56948 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,13 @@ build: kill
 		.
 
 run: kill
-	docker run --name sneak-steemd -d sneak/steemd
+	docker run \
+		--name sneak-steemd \
+		-e STEEMD_WITNESS_NAME=$(STEEMD_WITNESS_NAME) \
+		-e STEEMD_MINER_NAME=$(STEEMD_MINER_NAME) \
+		-e STEEMD_PRIVATE_KEY=$(STEEMD_PRIVATE_KEY) \
+		-d \
+		sneak/steemd
 	docker logs -f sneak-steemd
 
 kill:
diff --git a/steemd.run b/steemd.run
index 52298f0..54326ac 100644
--- a/steemd.run
+++ b/steemd.run
@@ -1,12 +1,7 @@
 #!/bin/bash
 
-set -x
-
 export HOME="/var/lib/steemd"
 
-RANDOMPW=$(dd if=/dev/urandom bs=10 count=1 status=none |
-    shasum | cut -b 1-20)
-
 chown -R steemd:steemd $HOME
 
 SEED_NODES="
@@ -28,6 +23,20 @@ for NODE in $SEED_NODES ; do
   ARGS+=" --seed-node=$NODE"
 done
 
+if [[ ! -z "$STEEMD_WITNESS_NAME" ]]; then
+    ARGS+=" --witness=\"$STEEMD_WITNESS_NAME\""
+fi
+
+if [[ ! -z "$STEEMD_MINER_NAME" ]]; then
+    ARGS+=" --miner=[\"$STEEMD_MINER_NAME\",\"$STEEMD_PRIVATE_KEY\"]"
+fi
+
+if [[ ! -z "$STEEMD_PRIVATE_KEY" ]]; then
+    ARGS+=" --private-key=$STEEMD_PRIVATE_KEY"
+fi
+
+ARGS+=" --mining-threads=${STEEMD_MINING_THREADS:-8}"
+
 # without --data-dir it uses cwd as datadir(!)
 # who knows what else it dumps into current dir
 cd $HOME