diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 506198a..65e10c9 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v27
+        uses: cachix/install-nix-action@v30
         with:
           nix_path: nixpkgs=channel:nixpkgs-24.05-darwin
 
@@ -51,30 +51,25 @@ jobs:
             ~/.cache/uv
             .venv
 
-      - name: Install dependencies
+      - name: Build container image
         run: |
-          nix-shell --pure --run true
-          nix-shell --pure --arg isDevelopment false --run true
+          echo "IMAGE_PATH=$(nix-build --no-out-link)" >> $GITHUB_ENV
 
       - name: Export Nix store cache
         if: steps.nix-cache.outputs.cache-hit != 'true'
         run: |
           nix-store --export $(find /nix/store -maxdepth 1 -name '*-*') > /tmp/nix-cache
 
-      - name: Build container image
-        run: |
-          echo "IMAGE_PATH=$(nix-build --no-out-link)" >> $GITHUB_ENV
-
       - name: Configure SSH
         run: |
           mkdir -p ~/.ssh
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa && chmod 600 ~/.ssh/id_rsa
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id && chmod 600 ~/.ssh/id
           echo "${{ secrets.SSH_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
           echo "Host remote
             HostName ${{ secrets.SSH_HOST }}
             User ${{ secrets.SSH_USER }}
             Port ${{ secrets.SSH_PORT }}
-            IdentityFile ~/.ssh/id_rsa
+            IdentityFile ~/.ssh/id
           " > ~/.ssh/config
 
       - name: Upload container image
diff --git a/shell.nix b/shell.nix
index 669552c..d6eeeac 100644
--- a/shell.nix
+++ b/shell.nix
@@ -137,7 +137,8 @@ let
     [ "$current_python" != "${python'}" ] && rm -rf .venv/
 
     echo "Installing Python dependencies"
-    echo "${python'}/bin/python" > .python-version
+    export UV_COMPILE_BYTECODE=1
+    export UV_PYTHON="${python'}/bin/python"
     uv sync --frozen
 
     echo "Activating Python virtual environment"