Docs. Adding documentation about the new nix build deploy action

Signed-off-by: Eoghan Conlon <eoghanconlon73@skynet.ie>

README.md

@@ -104,3 +104,25 @@ jobs:
           folder: "src"
           #destination: "subfolder"
 ```
+
+## Docker Nix
+This action is used to get nix into the docker user deploy system.
+### v7
+```yaml
+jobs:
+  build:
+    runs-on: docker
+    steps:
+      uses: https://forgejo.skynet.ie/Skynet/actions/docker_nix@v7
+```
+
+## Nix build Deploy user
+This action can build your website if you develop it using different methods than writing HTML. Only pre-requisite is that
+this action uses the Nix build command, so your repository requires a nix flake. 
+```yaml
+jobs:
+  build:
+    runs-on: docker
+      steps:
+        uses: https://forgejo.skynet.ie/Skynet/actions/nix-build_deploy@v7
+```

deploy_user/entrypoint.sh

@@ -23,4 +23,4 @@ ssh ${USERNAME}@skynet.skynet.ie "mkdir -p ~/public_html && chmod 711 ~ || true
 ssh ${USERNAME}@skynet.skynet.ie "mkdir -p ~/public_html/${DESTINATION}"
 
 # copy files across
-scp -r ${FOLDER}/* ${USERNAME}@skynet.skynet.ie:/home/${USERNAME}/public_html/${DESTINATION}
+scp -rL ${FOLDER}/* ${USERNAME}@skynet.skynet.ie:/home/${USERNAME}/public_html/${DESTINATION}

docker_nix/action.yml

@@ -0,0 +1,19 @@
+name: 'Get image ready to run nix jobs'
+description: 'Update apt repositories and installing sudo'
+runs:
+  using: 'composite'
+  steps:
+    - name: 'Installing nix on Docker runner'
+      shell: bash
+      run: |
+        apt update
+        apt upgrade -y
+        apt install -y sudo
+    - uses: https://github.com/cachix/install-nix-action@v29
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+        extra_nix_config: |
+          trusted-public-keys = skynet-cache:zMFLzcRZPhUpjXUy8SF8Cf7KGAZwo98SKrzeXvdWABo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+          substituters = https://nix-cache.skynet.ie/skynet-cache https://hydra.iohk.io https://cache.nixos.org/
+    - shell: bash
+      run: nix --version

nix-build_deploy/action.yml

@@ -0,0 +1,19 @@
+name: "Deploying from a Nix Build"
+description: "Deploys a website when built from a nix flake"
+runs:
+  using: 'composite'
+  steps:
+    - uses: https://forgejo.skynet.ie/eoghanconlon73/actions/docker_nix@eoghan_test-final3
+    - uses: https://code.forgejo.org/actions/checkout@v4
+    - uses: https://forgejo.skynet.ie/Skynet/actions/get_lfs@v6
+      with:
+        repository: ${{ gitea.repository }}
+        ref_name: ${{ gitea.ref_name }}
+    - run: nix build
+    - run: mkdir temp
+    - run: cp -rL result/* ./temp
+    - uses: https://forgejo.skynet.ie/Skynet/actions/deploy_user@v6
+      with:
+        ssh_key: ${{ secrets.SSH_KEY }}
+        username: ${{ env.GITHUB_REPOSITORY_OWNER }}
+        folder: "result"