Add Dockerfile and start.sh script for SLURM setup

.devcontainer/Dockerfile

@@ -0,0 +1,9 @@
+#========================================================================================================#
+FROM xenonmiddleware/slurm:20
+
+WORKDIR /app
+COPY start.sh /app/start.sh
+RUN chmod +x /app/start.sh
+
+COPY --from=golang:1.21 /usr/local/go/ /usr/local/go/
+#========================================================================================================#

.devcontainer/devcontainer.json

@@ -1,20 +1,14 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the
-// README at: https://github.com/devcontainers/templates/tree/main/src/go
 {
-  "name": "Go",
-  // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-  "image": "mcr.microsoft.com/devcontainers/go:1-1.21-bullseye",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
   "features": {
     "ghcr.io/devcontainers/features/go:1": {}
+  },
+  "postCreateCommand": "/app/start.sh",
+  "customizations": {
+    "vscode": {
+      "extensions": ["golang.go", "GitHub.copilot"]
+    }
   }
-  // Features to add to the dev container. More info: https://containers.dev/features.
-  // "features": {},
-  // Use 'forwardPorts' to make a list of ports inside the container available locally.
-  // "forwardPorts": [],
-  // Use 'postCreateCommand' to run commands after the container is created.
-  // "postCreateCommand": "go version",
-  // Configure tool-specific properties.
-  // "customizations": {},
-  // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
-  // "remoteUser": "root"
 }

.devcontainer/start.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+#========================================================================================================#
+#         Copied and adapter from `https://github.com/xenon-middleware/xenon-docker-images` :)           #
+#========================================================================================================#
+echo -e "Starting SLURM..."
+# echo -e "starting munged..."
+setuser munge /usr/sbin/munged --foreground >/var/log/munged.out.log 2>/var/log/munged.err.log &
+
+# echo -e "starting slurmctld..."
+/usr/local/sbin/slurmctld -D -c -vvvv >/var/log/slurmctld.out.log 2>/var/log/slurmctld.err.log &
+
+# echo -e "sleeping for a few seconds to avoid problems..."
+sleep 1
+
+# echo -e "starting compute nodes..."
+/usr/local/sbin/slurmd -D -N node-0 >/var/log/slurmd-node-0.out.log 2>/var/log/slurmd-node-0.err.log &
+/usr/local/sbin/slurmd -D -N node-1 >/var/log/slurmd-node-1.out.log 2>/var/log/slurmd-node-1.err.log &
+/usr/local/sbin/slurmd -D -N node-2 >/var/log/slurmd-node-2.out.log 2>/var/log/slurmd-node-2.err.log &
+/usr/local/sbin/slurmd -D -N node-3 >/var/log/slurmd-node-3.out.log 2>/var/log/slurmd-node-3.err.log &
+/usr/local/sbin/slurmd -D -N node-4 >/var/log/slurmd-node-4.out.log 2>/var/log/slurmd-node-4.err.log &
+
+# echo -e "sleeping for a few seconds to avoid problems..."
+sleep 1
+
+# echo -e "making accounting readable to users..."
+/bin/chmod -R og+rX /var/log/slurm
+
+# echo -e "starting sshd..."
+/usr/sbin/sshd -De >/var/log/sshd.out.log 2>/var/log/sshd.err.log &
+
+echo -e "Startup complete"
+#========================================================================================================#