Refactor deployment workflow to streamline SSH key handling and improve readability

.forgejo/workflows/deploy.yml

@@ -7,18 +7,36 @@ jobs:
         run: uname -a
       - name: checkout code
         uses: actions/checkout@v4
-      - name: Build
+      - name: ssh-add
         run: |
           source /etc/bashrc
 
-          nix shell nixpkgs#bun nixpkgs#rsync
-
-          bun i
-          bun run build
-
+          nix shell nixpkgs#openssh
           echo "${{ secrets.SSH_KEY }}" > ssh_key
           chmod 600 ssh_key
           eval "$(ssh-agent -s)"
           ssh-add ssh_key
 
-          rsync -avz --delete dist/* imnyang@10.11.8.101:/var/static/imnya.ng/.
+      - name: Build
+        run: |
+          source /etc/bashrc
+
+          nix shell nixpkgs#bun
+
+          bun i
+          bun run build
+      - name: Deploy
+        run: |
+          source /etc/bashrc
+
+          nix shell nixpkgs#rsync nixpkgs#openssh
+
+          rsync -avz --delete -e "ssh -o StrictHostKeyChecking=no" dist/* imnyang@10.11.8.101:/var/static/imnya.ng/.
+      - name: Cleanup
+        run: |
+          source /etc/bashrc
+
+          nix shell nixpkgs#openssh
+
+          ssh-add -D ssh_key
+          rm ssh_key