diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 60e326c..6f9d5ef 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,30 +3,75 @@ stages:
 - build
 - test
 
+# To clone also submodules
+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
+
 # ########
 # Build
 ##########
-build: # name of task
-  stage: build # in what stage it will run ( 1. build then test etc )
-  tags: # Tags are used to choose correct gitlab-runner
-    - hw # spaceti-runner server has running runners and one has tag 'hw'
-  script: # run in bash 
-  - mkdir -p build 
+build:
+  stage: build
+  tags:
+    - shell
+  script:
+  - mkdir -p build
   - cd build
   - qmake ../colnod-connector.pro
-  - make -j8
+  - make -j4
 cache:
   paths:
-    - build/
-
+    - build # this path will be cached for next stages
 
 # ########
 # Test
 ##########
-test: # name of task
-  stage: test # in what stage it will run ( 1. build then test etc )
-  tags: # Tags are used to choose correct gitlab-runner
-    - hw # spaceti-runner server has running runners and one has tag 'hw'
-  script: # run in bash 
+test:
+  stage: test
+  tags:
+    - shell
+  script:
   - cd build
   - make check test
+
+# memory leak check for unittest
+valgrind:
+  stage: test
+  tags:
+    - shell
+  script:
+  - cd build
+  - valgrind make check test
+
+# Quality of code
+cppcheck:
+  stage: test
+  tags:
+    - shell
+  #allow_failure: true # Probably needed to allow failure
+  script:
+  - server-sdk/scripts/cppcheck.sh
+
+# Common checks ( Line endings )
+lineendings:
+  stage: test
+  tags:
+    - shell
+  script:
+  - server-sdk/scripts/check.sh
+
+codecoverage:
+  stage: test
+  tags:
+    - shell
+  script:
+  - server-sdk/scripts/codecoverage.sh
+  coverage: '/^\s+functions..:\s+(\d+\.\d+%).+$/'
+
+doc:
+  stage: test
+  tags:
+    - shell
+  script:
+  - server-sdk/scripts/doc.sh clean # 'clean' better clean before generating documentation
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..33c01ac
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "server-sdk"]
+	path = server-sdk
+	url = ../../common/server-sdk
diff --git a/colnod-connector.pro b/colnod-connector.pro
index 41bdb50..1d3a892 100644
--- a/colnod-connector.pro
+++ b/colnod-connector.pro
@@ -1,5 +1,13 @@
 TEMPLATE = subdirs
 
+CONFIG += ordered
+
 SUBDIRS += \
+    server-sdk/src/serversdk/serversdk.pro \
     src/app \
     test
+
+OTHER_FILES += \
+    doc/* \
+    .gitignore \
+    .gitlab-ci.yml \
diff --git a/doc/Doxyfile-mcss b/doc/Doxyfile-mcss
new file mode 100644
index 0000000..0ef7058
--- /dev/null
+++ b/doc/Doxyfile-mcss
@@ -0,0 +1,43 @@
+@INCLUDE                = ../server-sdk/doc/Doxyfile-init
+# Output settings
+GENERATE_HTML           = NO
+GENERATE_XML            = YES
+GENERATE_LATEX          = NO
+XML_PROGRAMLISTING      = YES
+
+# Project settings
+PROJECT_NAME           = example-app
+INPUT                  = ../src \
+                         pages \
+                         ../readme.md \
+FILE_PATTERNS += *.md
+USE_MDFILE_AS_MAINPAGE = ../readme.md
+OUTPUT_DIRECTORY       = ../build/doc/
+FULL_PATH_NAMES        = NO
+
+# Attributes settings
+RECURSIVE              = YES
+EXTRACT_PRIVATE        = YES
+EXTRACT_ALL            = YES
+
+## m.css internal command -> show undocumented
+M_SHOW_UNDOCUMENTED     = YES
+
+
+## Taken from magnum ( Project from authors of m.css )
+SHOW_USED_FILES        = YES
+VERBATIM_HEADERS       = NO
+AUTOLINK_SUPPORT       = YES
+
+
+ALIASES += \
+    "m_div{1}=@xmlonly<mcss:div xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:class=\"\1\">@endxmlonly" \
+    "m_enddiv=@xmlonly</mcss:div>@endxmlonly" \
+    "m_span{1}=@xmlonly<mcss:span xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:class=\"\1\">@endxmlonly" \
+    "m_endspan=@xmlonly</mcss:span>@endxmlonly" \
+    "m_class{1}=@xmlonly<mcss:class xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:class=\"\1\" />@endxmlonly" \
+    "m_footernavigation=@xmlonly<mcss:footernavigation xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" />@endxmlonly" \
+    "m_examplenavigation{2}=@xmlonly<mcss:examplenavigation xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:page=\"\1\" mcss:prefix=\"\2\" />@endxmlonly" \
+    "m_keywords{1}=@xmlonly<mcss:search xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:keywords=\"\1\" />@endxmlonly" \
+    "m_keyword{3}=@xmlonly<mcss:search xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:keyword=\"\1\" mcss:title=\"\2\" mcss:suffix-length=\"\3\" />@endxmlonly" \
+    "m_enum_values_as_keywords=@xmlonly<mcss:search xmlns:mcss=\"http://mcss.mosra.cz/doxygen/\" mcss:enum-values-as-keywords=\"true\" />@endxmlonly"
diff --git a/doc/pages/mainpage.md b/doc/pages/mainpage.md
new file mode 100644
index 0000000..73ed06f
--- /dev/null
+++ b/doc/pages/mainpage.md
@@ -0,0 +1 @@
+# Example app documentation
diff --git a/server-sdk b/server-sdk
new file mode 160000
index 0000000..b6950b9
--- /dev/null
+++ b/server-sdk
@@ -0,0 +1 @@
+Subproject commit b6950b9bfe35d10d4fc65e42f22086796ac85142
diff --git a/src/app/app.pro b/src/app/app.pro
index 619e67b..467b2c4 100644
--- a/src/app/app.pro
+++ b/src/app/app.pro
@@ -1,8 +1,12 @@
 TEMPLATE = app
 
 QT += core sql network
-CONFIG += debug console
+CONFIG += cmdline c++14
+CONFIG += ordered
+
 
 SOURCES += main.cpp
 
+
 include(../colnod/colnod.pri)
+
diff --git a/src/colnod/colnod.pri b/src/colnod/colnod.pri
index 23198f5..2929196 100644
--- a/src/colnod/colnod.pri
+++ b/src/colnod/colnod.pri
@@ -1,6 +1,8 @@
 INCLUDEPATH += $$PWD
-#SRC_DIR = $$PWD
-message($$PWD)
+
+CONFIG += c++14
+
+
 SOURCES += \
     $$PWD/databasemanager.cpp \
     $$PWD/datamanager.cpp \
@@ -22,4 +24,5 @@ HEADERS += \
     $$PWD/subject.h \
     $$PWD/syncmanager.h \
     $$PWD/token.h
-message($$SOURCES)
+
+include(../../server-sdk/serversdk.pri)
diff --git a/src/colnod/databasemanager.cpp b/src/colnod/databasemanager.cpp
index ebc68e9..6e06145 100644
--- a/src/colnod/databasemanager.cpp
+++ b/src/colnod/databasemanager.cpp
@@ -1,4 +1,6 @@
 #include "databasemanager.h"
+#include "logger.h"
+
 
 DatabaseManager::DatabaseManager(const QString& host, const QString& dbName, const QString& user, const QString& password, const bool &dryMode)
     :dryMode(dryMode)
diff --git a/src/colnod/databasemanager.h b/src/colnod/databasemanager.h
index 58469ff..f95a9d4 100644
--- a/src/colnod/databasemanager.h
+++ b/src/colnod/databasemanager.h
@@ -10,7 +10,6 @@
 #include "subject.h"
 #include "token.h"
 #include <QDateTime>
-#include "logger.h"
 
 
 class DatabaseManager : public QObject
diff --git a/src/colnod/datamanager.cpp b/src/colnod/datamanager.cpp
index 5f441c5..3d81721 100644
--- a/src/colnod/datamanager.cpp
+++ b/src/colnod/datamanager.cpp
@@ -1,16 +1,15 @@
 #include "datamanager.h"
 
-DataManager::DataManager(const bool &dryMode)
-    :dryMode(dryMode)
+DataManager::DataManager(const bool &dryMode) :
+    db(std::make_shared<DatabaseManager>("192.168.1.94", "deloitte", "postgres", "34rjkciea12", dryMode)),
+    dryMode(dryMode)
 {
-    db = std::make_shared<DatabaseManager>("192.168.1.94", "deloitte", "postgres", "34rjkciea12", dryMode);
-    //db = std::make_shared<DatabaseManager>("localhost", "deloitte", "postgres", "34rjkciea12");
     if (db->isOpen()){
         Logger::setDBMan(db);
         nextLastSync = db->getNow();
         lastSync = db->getLastSync();
     }
-    connect(db.get(), &DatabaseManager::error, this, &DataManager::error, Qt::QueuedConnection);
+    connect(db.get(), &DatabaseManager::error, this, &DataManager::error);
 }
 
 // load all tokens from colnod to comparing with working set from DB
diff --git a/src/colnod/datamanager.h b/src/colnod/datamanager.h
index 5e12e79..d3e94ac 100644
--- a/src/colnod/datamanager.h
+++ b/src/colnod/datamanager.h
@@ -15,7 +15,7 @@ class DataManager : public QObject
     Q_OBJECT
 
 public:
-    DataManager(const bool& dryMode = false);
+    explicit DataManager(const bool& dryMode = false);
 
     void fillFullTokensColnod(const QString& jsonResponse);
 
diff --git a/src/colnod/entity.h b/src/colnod/entity.h
index bd4f217..5a4a4af 100644
--- a/src/colnod/entity.h
+++ b/src/colnod/entity.h
@@ -10,6 +10,7 @@
 class Entity : public QObject {
     Q_OBJECT
 public:
+    Entity() = default;
     using QObject::QObject;
 
     const QUuid &getId() const;
diff --git a/src/colnod/requestmanager.cpp b/src/colnod/requestmanager.cpp
index 035a57b..7199e43 100644
--- a/src/colnod/requestmanager.cpp
+++ b/src/colnod/requestmanager.cpp
@@ -1,8 +1,8 @@
 #include "requestmanager.h"
 
 RequestManager::RequestManager()
+    : manager(std::make_unique<QNetworkAccessManager>())
 {
-    manager = std::make_unique<QNetworkAccessManager>();
     connect(manager.get(), &QNetworkAccessManager::sslErrors, this, &RequestManager::onSSLError);
 }
 
diff --git a/src/colnod/subject.h b/src/colnod/subject.h
index a0e8ae9..d7e6367 100644
--- a/src/colnod/subject.h
+++ b/src/colnod/subject.h
@@ -12,7 +12,7 @@ class Subject : public Entity {
 public:
     using Entity::Entity;
     Subject() = default;
-    Subject(const QString& name);
+    explicit Subject(const QString& name);
 
     QString getEmail() const;
 
diff --git a/src/colnod/syncmanager.cpp b/src/colnod/syncmanager.cpp
index 411058c..29dcf07 100644
--- a/src/colnod/syncmanager.cpp
+++ b/src/colnod/syncmanager.cpp
@@ -1,12 +1,12 @@
 #include "syncmanager.h"
 
-SyncManager::SyncManager(bool dryMode)
-    :dryMode(dryMode)
+SyncManager::SyncManager(bool dryMode) :
+    reqMan(std::make_unique<RequestManager>()),
+    dataMan( std::make_unique<DataManager>(dryMode)),
+    dryMode(dryMode)
 {
-    reqMan = std::make_unique<RequestManager>();
-    dataMan = std::make_unique<DataManager>(dryMode);
-    connect(reqMan.get(), &RequestManager::error, this, &SyncManager::error, Qt::QueuedConnection);
-    connect(dataMan.get(), &DataManager::error, this, &SyncManager::error, Qt::QueuedConnection);
+    connect(reqMan.get(), &RequestManager::error, this, &SyncManager::error);
+    connect(dataMan.get(), &DataManager::error, this, &SyncManager::error);
 }
 
 void SyncManager::loadDataFromColnod()
diff --git a/src/colnod/syncmanager.h b/src/colnod/syncmanager.h
index c5669e3..f39db10 100644
--- a/src/colnod/syncmanager.h
+++ b/src/colnod/syncmanager.h
@@ -9,8 +9,7 @@ class SyncManager : public QObject
     Q_OBJECT
 
 public:
-
-    SyncManager(bool dryMode = false);
+    explicit SyncManager(bool dryMode = false);
 
     void syncDataFromColnodToDB();
     void syncDataFromDBToColnod();
diff --git a/src/colnod/token.h b/src/colnod/token.h
index 4292f3b..bce4c69 100644
--- a/src/colnod/token.h
+++ b/src/colnod/token.h
@@ -13,7 +13,7 @@ public:
 
     Token() = default;
     Token(const QString& name, QString tokenData, const QString& decription = "mobile");
-    Token(const QString& name);
+    explicit Token(const QString& name);
     ~Token() override;
 
     friend bool operator<(const Token &lToken, const Token &rToken){
diff --git a/test/unitTests/unitTests.pro b/test/unitTests/unitTests.pro
index 7fb83f9..78dd147 100644
--- a/test/unitTests/unitTests.pro
+++ b/test/unitTests/unitTests.pro
@@ -10,6 +10,7 @@ SOURCES += \
     unittest.cpp
 
 include(../../src/colnod/colnod.pri)
+include(../../server-sdk/serversdk.pri)
 
 # Default rules for deployment.
 qnx: target.path = /tmp/$${TARGET}/bin