Fixes for hanging jobs, more verbose ci output

backend/internal/jobqueue/main.go

@@ -16,7 +16,7 @@ var (
 func Start() {
 	ctx, cancel = context.WithCancel(context.Background())
 	q := &Queue{
-		jobs:   make(chan Job),
+		jobs:   make(chan Job, 10),
 		ctx:    ctx,
 		cancel: cancel,
 	}

backend/internal/jobqueue/models.go

@@ -10,6 +10,7 @@ type Queue struct {
 	jobs   chan Job
 	ctx    context.Context
 	cancel context.CancelFunc
+	mu     sync.Mutex
 }
 
 // Job - holds logic to perform some operations during queue execution.
@@ -41,6 +42,8 @@ func (q *Queue) AddJobs(jobs []Job) {
 
 // AddJob sends job to the channel.
 func (q *Queue) AddJob(job Job) {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	q.jobs <- job
 }