Fix: ministero-salute#25. Add OAS validation.

.github/workflows/spectral.yaml

@@ -0,0 +1,27 @@
+#
+# This action checks that the OAS files inside the repository are valid according
+#   to the Italian API guidelines.
+#
+#  TODO: check if spectral-action supports remote rulesets.
+#  TODO: consider pinning the ruleset version.
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  checks: write
+
+jobs:
+  spectral:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: curl https://italia.github.io/api-oas-checker/spectral-full.yml > .spectral.yml
+
+      # Get additional module required by spectral-full
+      - run: mkdir functions
+      - run: curl https://raw.githubusercontent.com/italia/api-oas-checker/f6f4e6e360b2ce9816dcca29396571dda1c6027d/security/functions/checkSecurity.js > functions/checkSecurity.js
+
+      - uses: stoplightio/spectral-action@v0.8.8