Merge branch 'main' of github.com:uvilla-teaching/cse380

.github/workflows/gsl_test.yaml

@@ -18,12 +18,12 @@ jobs:
        WORKDIR: ./lectures/13_testing/autotools_with_tests
      container:
        image: uvilla/class-ci:latest
-       options: --user 1001 --privileged
+       options: --user root --privileged
      name: GSL test
 
      steps:
         - name: Checkout code
-          uses: actions/checkout@v2
+          uses: actions/checkout@v4
         - name: Query modules loaded
           run:  module list
         - name: Configure

lectures/11_virtualization_and_docker/step3/README.md

@@ -1,8 +1,13 @@
+# Build the container
+First let's build the docker image for step3, remember to specify `--platform=linux/amd64` if using Apple Silicon.
 ```
 docker build -t step3 .
-docker run -it step3 /bin/bash
 ```
 
+# Explore the container interactively
+```
+docker run -it step3 /bin/bash
+```
 
 From inside the container
 
@@ -13,10 +18,13 @@ mpicc /opt/ohpc/pub/examples/mpi/hello.c 
 mpirun -np 2 ./a.out
 ```
 
-How to push this remotely
-
+# Push the container to the DockerHub registry
+First of all create an account of dockerhub.
+Next, login, tag and push the image
 ```
 docker login
-docker tag step3 uvilla/step3:2023.1
-docker push uvilla/step3:2023.1
+docker tag step3 uvilla/step3:2024.1
+docker push uvilla/step3:2024.1
 ```
+
+To deploy the image on lonestar6, see `../hello_apptainer.md`