inno-devops-labs · klassgo · Feb 5, 2026 · Feb 5, 2026 · Feb 5, 2026 · Feb 5, 2026
diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
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+## Goal What does this PR accomplish? 
+
+## Changes What was modified? 
+
+## Testing How was it verified? 
+
+## Checklist 
+
+- [ ] Clear, descriptive PR title 
+
+- [ ] Documentation/README updated (if needed) 
+
+- [ ] No secrets or large temporary files committed
diff --git a/.github/workflows/github-actions-demo.yml b/.github/workflows/github-actions-demo.yml
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+name: GitHub Actions Demo
+run-name: ${{ github.actor }} is testing out GitHub Actions 🚀
+on:
+  push:
+  workflow_dispatch:
+jobs:
+  Explore-GitHub-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
+      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
+      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
+      - name: Check out repository code
+        uses: actions/checkout@v5
+      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
+      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
+      - name: List files in the repository
+        run: |
+          ls ${{ github.workspace }}
+      - run: echo "🍏 This job's status is ${{ job.status }}."
+
+      - name: Show system information
+        run: |
+          echo "===== SYSTEM INFO ====="
+          uname -a
+          echo ""
+          echo "CPU Info:"
+          lscpu
+          echo ""
+          echo "Memory Info:"
+          free -h
+          echo ""
+          echo "Disk Info:"
+          df -h
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diff --git a/demo.txt b/demo.txt
diff --git a/demo1.txt b/demo1.txt
diff --git a/file.txt b/file.txt
diff --git a/history.txt b/history.txt
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diff --git a/labs/lab11/app/Dockerfile b/labs/lab11/app/Dockerfile
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+FROM golang:1.22
+WORKDIR /app
+COPY main.go .
+RUN go build -o app main.go
diff --git a/labs/lab11/app/Dockerfile.traditional b/labs/lab11/app/Dockerfile.traditional
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+
+FROM golang:1.22 AS builder
+WORKDIR /build
+COPY main.go .
+RUN go build -o app main.go
+
+FROM scratch
+COPY --from=builder /build/app /app
+ENTRYPOINT ["/app"]
diff --git a/labs/lab11/app/default.nix b/labs/lab11/app/default.nix
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+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.stdenv.mkDerivation {
+  pname = "app";
+  version = "1.0";
+
+  src = ./.;
+
+  buildInputs = [ pkgs.go ];
+
+  buildPhase = ''
+    export HOME=$TMPDIR
+    export GOCACHE=$TMPDIR/go-cache
+
+    go build -o app main.go
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp app $out/bin/
+  '';
+}
diff --git a/labs/lab11/app/docker.nix b/labs/lab11/app/docker.nix
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+{ pkgs ? import <nixpkgs> {} }:
+
+let
+  appBin = pkgs.runCommand "app-bin" { buildInputs = [ pkgs.go ]; } ''
+    mkdir -p $out/bin
+    cp ${./main.go} main.go
+    go build -ldflags="-s -w" -o app main.go
+    cp app $out/bin/
+  '';
+in
+  pkgs.dockerTools.buildLayeredImage {
+    name = "nix-reproducible-app";
+    tag = "latest";
+    contents = [ appBin ];
+    config = {
+      Cmd = [ "/bin/app" ];
+      Env = [ "NIX_REPRODUCIBLE=1" ];
+    };
+  }