Make the build hermetic and prefetch its deps

.tekton/export-service-pull-request.yaml

@@ -28,6 +28,10 @@ spec:
     value: 5d
   - name: dockerfile
     value: Dockerfile
+  - name: hermetic
+    value: "true"
+  - name: prefetch-input
+    value: '[{"type": "gomod", "path": "."}]'
   pipelineRef:
     params:
     - name: url

.tekton/export-service-push.yaml

@@ -25,6 +25,10 @@ spec:
     value: quay.io/redhat-user-workloads/hcc-integrations-tenant/export-service/export-service:{{revision}}
   - name: dockerfile
     value: Dockerfile
+  - name: hermetic
+    value: "true"
+  - name: prefetch-input
+    value: '[{"type": "gomod", "path": "."}]'
   pipelineRef:
     params:
     - name: url

Dockerfile

@@ -37,8 +37,6 @@ RUN GO111MODULE=on go build -ldflags "-w -s" -o export-service cmd/export-servic
 ############################
 FROM registry.access.redhat.com/ubi9-minimal:latest
 
-RUN microdnf update -y
-
 COPY --from=builder /workspace/export-service /usr/bin
 COPY --from=builder /workspace/db/migrations /db/migrations/
 COPY --from=builder /workspace/static/spec/openapi.json /var/tmp/openapi.json

go.mod

@@ -1,6 +1,6 @@
 module github.com/redhatinsights/export-service-go
 
-go 1.24
+go 1.24.0
 
 require (
 	github.com/RedHatInsights/event-schemas-go v1.0.6