test: improve workflows

Simplifies workflows and make use of a codecov upload token to ensure
reliable pushing of coverage files to codecov.

Author: morremeyer

.github/actions/go-test/action.yml

@@ -1,4 +1,4 @@
-name: test & release
+name: release
 
 on:
   push:
@@ -10,17 +10,7 @@ permissions:
   packages: write
 
 jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository
-        uses: actions/[email protected]
-
-      - name: go test
-        uses: ./.github/actions/go-test
-
   release:
-    needs: test
     runs-on: ubuntu-latest
     steps:
       - name: Checkout

.github/workflows/test-and-release.yml renamed to .github/workflows/release.yml

@@ -1,9 +1,10 @@
 name: test & tag
 
 on:
+  pull_request:
   push:
-    branches:
-      - main
+    tags-ignore:
+      - "v*"
 
 jobs:
   test:
@@ -12,12 +13,35 @@ jobs:
       - name: Check out repository
         uses: actions/[email protected]
 
-      - name: go test
-        uses: ./.github/actions/go-test
+      - name: Set up go
+        uses: actions/[email protected]
+        with:
+          # renovate: go-version
+          go-version: 1.18.4
+
+      - name: Run go tests
+        run: |
+          go test ./... -race -covermode=atomic -coverprofile=coverage.out
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: coverage.out
+
+        # This builds the binary and starts it. If it does not exit within 3 seconds, consider it
+        # successful
+        #
+        # With this, we prevent regressions like in 9c9e365c6ada93d94e90eae85704f14b8afaa4c9.
+      - name: Verify binary works
+        run: |
+          make build
+          API_URL=https://example.com/api timeout 3 ./backend || code=$?; if [[ $code -ne 124 && $code -ne 0 ]]; then exit $code; fi
 
   tag:
     runs-on: ubuntu-latest
     needs: test
+    if: ${{ github.ref == 'refs/heads/main' }}
     container: ghcr.io/caarlos0/svu
     steps:
       - name: Checkout