diff --git a/Dockerfile b/Dockerfile
index 7db38dd..7a55e2d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,9 @@ RUN apt-get update \
 
 WORKDIR /install
 
-COPY ./api .
+COPY . .
+
+WORKDIR /install/api
 
 # get Polish language train data
 # RUN wget -P /usr/share/tesseract-ocr/4.00/tessdata/ https://github.com/tesseract-ocr/tessdata/raw/4.00/pol.traineddata
@@ -20,7 +22,8 @@ RUN	pip3 install pipenv_to_requirements gunicorn && \
     pipenv run pipenv_to_requirements && \
     pip3 install --no-cache -r requirements.txt
 
-WORKDIR /install/api
+
+WORKDIR /install
 
 
 
diff --git a/Jenkinsfile b/Jenkinsfile
index 2004aeb..0c7e00c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -4,12 +4,14 @@ pipeline {
     stages {
         stage('Build') {
             steps {
-									sh 'python api/main.py -i api/img/biedra.jpg'
+									echo 'Building..'
             }
         }
         stage('Test') {
             steps {
                 echo 'Testing..'
+								sh scripts/check_tesseract.sh
+								sh 'python api/main.py -i api/img/biedra.jpg'
             }
         }
     }
diff --git a/scripts/check_tesseract.sh b/scripts/check_tesseract.sh
new file mode 100644
index 0000000..908f596
--- /dev/null
+++ b/scripts/check_tesseract.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# check if tesseract is avaliable
+if [ -x "$(command -v tesseract)" ]
+then
+		echo "> [Tesseract] tesseract command available...";
+else
+		echo "> [Tesseract] could find tesseract command!";
+		exit -1;
+fi
+
+# check if tesseract is avaliable
+if tesseract --list-langs | grep -q 'pol'
+then
+		echo "> [Tesseract] polish langauge avaliable";
+else
+		echo "> [Tesseract] polish langage unavaliable...";
+		exit -1;
+fi