fixup! WIP: Go 1.18

.drone.yml

@@ -4,8 +4,8 @@ type: docker
 name: default
 
 steps:
-- name: backend
-  image: golang:1.18beta1
+- name: backend-go1.17
+  image: golang:1.17
   commands:
     - cd backend/
     - go install honnef.co/go/tools/cmd/staticcheck@latest
@@ -14,6 +14,18 @@ steps:
     - staticcheck ./...
     - go test -bench=. -benchmem -cover ./...
 
+# staticcheck does not yet support Go 1.18.
+# https://github.com/dominikh/go-tools/issues/1145#issuecomment-995190461
+- name: backend-go1.18
+  image: golang:1.18beta1
+  commands:
+    - cd backend/
+    # - go install honnef.co/go/tools/cmd/staticcheck@latest
+    - go build ./...
+    - go vet ./...
+    # - staticcheck ./...
+    - go test -bench=. -benchmem -cover ./...
+
 - name: frontend
   image: node:14
   commands: