Включил интеграционный тест

.travis.yml

@@ -31,5 +31,6 @@ jobs:
       script:
         - make lint
         - make unit-test
+        - make integration-test
         - make build
       if: (type = push) OR (type = pull_request)

cmd/main_test.go

@@ -41,7 +41,7 @@ func TestIntegrationPositive(t *testing.T) {
 	})
 	t.Run("remote server return jpeg", func(t *testing.T) {
 		defer wg.Done()
-		body, resp, err := request("http://localhost:80/fill/1024/504/localhost:"+testPort+"/gopher_original_1024x504.jpg", 15*time.Second)
+		body, resp, err := request("http://localhost:8080/fill/1024/504/localhost:"+testPort+"/gopher_original_1024x504.jpg", 15*time.Second)
 		require.NoError(t, err)
 		require.NotNil(t, body)
 		require.Equal(t, 200, resp.StatusCode)

internal/application/query.go

@@ -1,6 +1,7 @@
 package application
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"io/ioutil"
@@ -44,7 +45,7 @@ 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.NewRequest("GET", "http://"+q.URL.Host+q.URL.Path, nil)
+	req, err := http.NewRequestWithContext(context.Background(), "GET", "http://"+q.URL.Host+q.URL.Path, nil)
 	if err != nil {
 		return nil, nil, fmt.Errorf("can't create request: %w", err)
 	}

previewer.conf

@@ -1,6 +1,6 @@
 [Server]
 Address = "localhost"
-Port = "80"
+Port = "8080"
 
 [Cache]
 Capacity = 20