WIP

Author: solnic

.github/workflows/main.yml

@@ -70,15 +70,23 @@ jobs:
     # *without* the Elixir compiled code in it.
     - name: Cache compiled Elixir code
       uses: actions/cache@v4
-      id: mix-cache
+      id: mix-cache-main
       with:
-        path: |
-          _build
-          test_integrations/phoenix_app/_build
+        path: _build
+        key: |
+          ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-main-${{ hashFiles('**/mix.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-main-
+
+    - name: Cache compiled Elixir code (integration tests)
+      uses: actions/cache@v4
+      id: mix-cache-integration
+      with:
+        path: test_integrations/phoenix_app/_build
         key: |
-          ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-${{ hashFiles('**/mix.lock') }}
+          ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-integration-${{ hashFiles('test_integrations/phoenix_app/mix.lock') }}
         restore-keys: |
-          ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-
+          ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-mix-integration-
 
     - name: Compile Elixir code (with --warnings-as-errors)
       if: matrix.lint