ci: auto-deploy server + client to VPS on every push to master

.github/workflows/ci.yml

@@ -73,3 +73,57 @@ jobs:
           files: helios-remote-client-windows.exe
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Deploy client to VPS
+        if: github.ref == 'refs/heads/master'
+        env:
+          VPS_SSH_KEY: ${{ secrets.VPS_SSH_KEY }}
+        run: |
+          mkdir -p ~/.ssh
+          echo "$VPS_SSH_KEY" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan -H 46.225.185.232 >> ~/.ssh/known_hosts
+          scp -i ~/.ssh/deploy_key helios-remote-client-windows.exe \
+            root@46.225.185.232:/var/www/helios-remote/helios-remote-client-windows.exe
+
+  deploy-server:
+    runs-on: ubuntu-latest
+    needs: build-and-test
+    if: github.ref == 'refs/heads/master'
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust + x86_64-linux target
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: x86_64-unknown-linux-gnu
+
+      - name: Install cross-linker
+        run: sudo apt-get update && sudo apt-get install -y gcc-x86-64-linux-gnu
+
+      - name: Cache dependencies
+        uses: Swatinem/rust-cache@v2
+        with:
+          key: linux-x86_64
+
+      - name: Build server (x86_64 Linux)
+        run: cargo build --release --package helios-server --target x86_64-unknown-linux-gnu
+        env:
+          CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER: x86_64-linux-gnu-gcc
+
+      - name: Deploy server to VPS
+        env:
+          VPS_SSH_KEY: ${{ secrets.VPS_SSH_KEY }}
+        run: |
+          mkdir -p ~/.ssh
+          echo "$VPS_SSH_KEY" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan -H 46.225.185.232 >> ~/.ssh/known_hosts
+          scp -i ~/.ssh/deploy_key \
+            target/x86_64-unknown-linux-gnu/release/helios-server \
+            root@46.225.185.232:/opt/helios-remote/target/release/helios-server-new
+          ssh -i ~/.ssh/deploy_key root@46.225.185.232 \
+            "mv /opt/helios-remote/target/release/helios-server-new \
+                /opt/helios-remote/target/release/helios-server && \
+             systemctl restart helios-remote"