change jenkinsfile

Dockerfile

@@ -0,0 +1,12 @@
+    FROM ubuntu:latest
+
+    RUN apt update -y && apt install -y make
+    RUN apt install -y git
+    RUN apt install -y gcc
+    RUN gcc --version
+    RUN apt install -y build-essential
+    RUN git clone https://github.com/usnistgov/SCTK.git
+    WORKDIR SCTK
+    RUN make config && make all && make check &&  make install && make doc
+    ENV PATH=$PATH:/SCTK/bin
+

Jenkinsfile

@@ -1,5 +1,5 @@
 pipeline {
-   agent any
+    agent { dockerfile true }
 
    stages {
        stage('Githubcheck')