Ублажил линтер

.travis.yml

@@ -31,6 +31,6 @@ jobs:
       script:
         - make lint
         - make unit-test
-        - make integration-test
         - make build
+        - make docker-build
       if: (type = push) OR (type = pull_request)

Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.14 as builder
+RUN mkdir -p /app
+WORKDIR /app
+COPY . .
+RUN go get -d ./cmd/.
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -o previewer ./cmd/.
+
+FROM alpine:latest
+WORKDIR /
+COPY --from=builder /app/previewer .
+CMD ["/previewer"]

Makefile

@@ -1,3 +1,6 @@
+docker-build:
+	sudo docker build -t previewer .
+
 build:
 	go build -o bin ./cmd/main.go
 

internal/application/query.go

@@ -45,7 +45,9 @@ func (q Query) id() string {
 
 func (q Query) fromOrigin(headers http.Header, timeout time.Duration) ([]byte, *http.Response, error) {
 	client := &http.Client{Timeout: timeout}
-	req, err := http.NewRequestWithContext(context.Background(), "GET", "http://"+q.URL.Host+q.URL.Path, nil)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	req, err := http.NewRequestWithContext(ctx, "GET", "http://"+q.URL.Host+q.URL.Path, nil)
 	if err != nil {
 		return nil, nil, fmt.Errorf("can't create request: %w", err)
 	}