diff --git a/.gitmodules b/.gitmodules
index 91643fa19..2b023d7c6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6,7 +6,7 @@
 	url = https://github.com/MariaDB/mariadb-connector-c.git
 [submodule "src/proto"]
 	path = src/proto
-	url = git@***REMOVED***:~/_protobuf/gradido_protobuf
+	url = ssh://git@***REMOVED***/~/_protobuf/gradido_protobuf
 [submodule "dependencies/iroha-ed25519"]
 	path = dependencies/iroha-ed25519
 	url = ssh://git@***REMOVED***/~/Forks/iroha-ed25519.git
diff --git a/README b/README
new file mode 100644
index 000000000..2b7f02ef8
--- /dev/null
+++ b/README
@@ -0,0 +1,30 @@
+# get dependencies
+git submodule update --init --recursive
+
+# build dependencies ed25519
+cd dependencies/iroha-ed25519
+mkdir build
+cd build
+# for windows with visual studio 14 2015
+# cmake .. -G"Visual Studio 14 2015 Win64" -DEDIMPL=ref10 -DHASH=sha2_sphlib -DRANDOM=bcryptgen -DBUILD=STATIC
+# for linux
+cmake .. -DEDIMPL=ref10 -DHASH=sha2_sphlib -DRANDOM=bcryptgen -DBUILD=STATIC
+make 
+
+cd ../../../
+
+cd dependencies/mariadb-connector-c
+mkdir build 
+cd build
+cmake ..
+cd ../../../
+
+
+# get more dependencies with conan (need conan from https://conan.io/)
+mkdir build && cd build
+# conan install .. -s build_type=Debug
+conan install ..
+
+# build Makefile with cmake
+cmake ..
+