add flux-core container build

not multi-stage build yet because we do not have
copy view, only symlink

Signed-off-by: vsoch <[email protected]>

Author: vsoch

.github/workflows/build-container.yaml

@@ -1,4 +1,4 @@
-name: Build and Deploy Container
+name: Build and Deploy Containers
 
 on:
 
@@ -31,9 +31,8 @@ jobs:
       matrix:
 
         # Dockerfiles to build, a matrix supports future expanded builds
-        container: [["etc/docker/Dockerfile.base", "ghcr.io/flux-framework/flux-core-base"]]
-                    # This will be enabled after the first container builds.
-                    #["config/docker/Dockerfile", "ghcr.io/flux-framework/flux-core-ubuntu"]]
+        container: [["etc/docker/Dockerfile.base", "ghcr.io/flux-framework/flux-core-base"],
+                    ["etc/docker/Dockerfile", "ghcr.io/flux-framework/flux-core-ubuntu"]]
 
     runs-on: ubuntu-latest
     name: Build

etc/docker/Dockerfile

@@ -0,0 +1,32 @@
+FROM ghcr.io/flux-framework/flux-core-base:latest as builder
+
+# docker build -f etc/docker/Dockerfile -t ghcr.io/flux-framework/flux-core-ubuntu .
+
+# The development config cannot have git@ clone, must be https
+COPY ./etc/docker/git-config /code/.git/config
+
+# Get upstream tags for version (otherwise won't build)
+WORKDIR /code
+RUN git fetch
+RUN cd /opt/flux-env && \
+    . /opt/spack/share/spack/setup-env.sh && \
+    spack env activate . && \
+    spack install && \
+    spack env view regenerate
+
+# We can't do multistage build on a view symlink
+# FROM ubuntu:22.04
+# COPY --from=builder /opt/view /opt/view
+# COPY --from=builder /opt/flux-view /opt/flux-view
+
+RUN apt-get update && \
+    apt-get install -y unzip gfortran python3-dev && \
+    apt-get install -y libcurl4-openssl-dev libssl-dev
+
+ENV PATH=$PATH:/opt/flux-view/bin
+ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/flux-view/lib:/opt/flux-view/lib64
+ENV DEBIAN_FRONTEND=noninteractive
+
+# The user will see the view on shell into the container
+WORKDIR /opt/
+ENTRYPOINT ["/bin/bash"]

etc/docker/README.md

@@ -1,14 +1,14 @@
 # Flux Core Docker
 
 We provide a [Dockerfile.base](Dockerfile.base) to build an ubuntu base image,
-and (will provide) a `Dockerfile` to build a smaller one with a multi-stage build. 🚧️
+and a [Dockerfile](Dockerfile) to build a smaller one with a multi-stage build (TBA). 🚧️
 
 Updated containers are built and deployed on merges to the master branch and releases.
 If you want to request a build on demand, you can [manually run the workflow](https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow) thanks to the workflow dispatch event.
 
 ### Usage
 
-Here is how to build the container. Note that we build so it belongs to the same
+Here is how to build the base container. Note that we build so it belongs to the same
 namespace as the repository here. "ghcr.io" means "GitHub Container Registry" and
 is the [GitHub packages](https://github.com/features/packages) registry that supports
  Docker images and other OCI artifacts. From the root of the repository:
@@ -17,4 +17,25 @@ is the [GitHub packages](https://github.com/features/packages) registry that sup
 $ docker build -f etc/docker/Dockerfile.base -t ghcr.io/flux-framework/flux-core-base .
 ```
 
-**More will be added when the final flux container is developed**
+And then to build the flux-core container (also from the root):
+
+```bash
+$ docker build -f etc/docker/Dockerfile -t ghcr.io/flux-framework/flux-core-ubuntu .
+```
+
+### Shell
+
+To shell into the container:
+
+```bash
+$ docker run -it ghcr.io/flux-framework/flux-core-ubuntu
+```
+
+Flux (and other executables) should be installed to the view:
+
+```bash
+# which flux
+/opt/flux-view/bin/flux
+```
+
+You could next follow the [flux-tutorial](https://flux-framework.readthedocs.io/en/latest/quickstart.html#starting-a-flux-instance) to launch a job!

etc/docker/git-config

@@ -0,0 +1,12 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = false
+	logallrefupdates = true
+[remote "origin"]
+	url = https://github.com/flux-framework/flux-core
+	fetch = +refs/heads/*:refs/remotes/origin/*
+[branch "master"]
+	remote = origin
+	merge = refs/heads/master
+