Set current dir in bash - call script from anywhere

scripts/docker-build.sh

@@ -1,3 +1,4 @@
 #!/bin/bash
-set -e
+
+cd "$(dirname "$0")"
 docker build -t trezor-wallet ../

scripts/docker-run.sh

@@ -1,2 +1,3 @@
 #!/bin/bash
+
 docker run -p 8080:8080 -d trezor-wallet:latest