Feature - Include e2e tests for docker

Included e2e tests for docker.
Included .Dockerignore to ignore files.
Included Docker build in the Makefile.

.Dockerignore

@@ -0,0 +1,12 @@
+# Ignore everything
+**
+
+# Allow files and directories
+!go.mod
+!go.sum
+!main.go
+!/pkg/**
+!/roundtripper/**
+!/cmd/**
+!/checks/**
+!/checker/**

.github/workflows/integration.yml

@@ -5,7 +5,8 @@ on:
     types: [ok-to-test-command]
 
 name: Integration tests
-
+env:
+  IMAGE_NAME: scorecard
 jobs:
   integration-trusted:
     runs-on: ubuntu-latest
@@ -92,6 +93,27 @@ jobs:
             ginkgo --focus="E2E TEST:executable|E2E TEST:blob" ./...
           fi
 
+      - name: Build docker image
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME
+
+      - name: Test docker image
+        env:  
+          GITHUB_AUTH_TOKEN: ${{ secrets.GH_AUTH_TOKEN }}
+        run: |
+          if [[ ! -v GITHUB_AUTH_TOKEN ]]; then
+              echo "GITHUB_AUTH_TOKEN is not set, skip test"
+              exit 1
+          elif [[ -z "$GITHUB_AUTH_TOKEN" ]]; then
+              echo "GITHUB_AUTH_TOKEN is set to the empty string, skip test"
+              exit 1
+          else
+            go get github.com/onsi/ginkgo/ginkgo@v1.14.2
+            go mod download
+           	mkdir -p bin
+            docker run -e GITHUB_AUTH_TOKEN=$GITHUB_AUTH_TOKEN  $IMAGE_NAME  --show-details  --repo=https://github.com/ossf/scorecard --metadata=openssf --format json > ./bin/results.json
+            ginkgo -p -v --focus="E2E TEST:executable" ./...
+          fi
+
       - name: find comment
         if: ${{ always() }}
         uses: peter-evans/find-comment@v1

Makefile

@@ -1,6 +1,7 @@
 SHELL := /bin/bash
 GOBIN ?= $(GOPATH)/bin
 GINKGO ?= $(GOBIN)/ginkgo
+IMAGE_NAME = scorecard
 
 .PHONY: help
 help:  ## Display this help
@@ -77,3 +78,8 @@ verify-go-mod: ## Verify the go modules
 		go mod tidy && \
 		go mod verify
 	./hack/tree-status 
+
+.PHONY: dockerbuild
+dockerbuild: ## Runs docker build
+	$(call ndef, GITHUB_AUTH_TOKEN)
+	docker build . --file Dockerfile --tag $(IMAGE_NAME)