diff --git a/compose/parser.go b/compose/parser.go
index 7538d7f..427176a 100644
--- a/compose/parser.go
+++ b/compose/parser.go
@@ -40,7 +40,7 @@ func NewParser(filename string, content ...string) *Parser {
 		tmpfile.Close()
 		filename = tmpfile.Name()
 		p.temporary = &tmp
-		cli.DefaultFileNames = append([]string{filename}, cli.DefaultFileNames...)
+		cli.DefaultFileNames = []string{filename}
 	}
 	// if filename is not in cli Default files, add it
 	if len(filename) > 0 {
@@ -56,7 +56,6 @@ func NewParser(filename string, content ...string) *Parser {
 			cli.DefaultFileNames = append([]string{filename}, cli.DefaultFileNames...)
 		}
 	}
-	log.Println(cli.DefaultFileNames)
 
 	return p
 }
diff --git a/generator/main.go b/generator/main.go
index a013df6..1afb380 100644
--- a/generator/main.go
+++ b/generator/main.go
@@ -15,10 +15,6 @@ import (
 	"github.com/compose-spec/compose-go/types"
 )
 
-var servicesMap = make(map[string]int)
-var serviceWaiters = make(map[string][]chan int)
-var locker = &sync.Mutex{}
-
 const (
 	ICON_PACKAGE = "📦"
 	ICON_SERVICE = "🔌"
@@ -33,11 +29,15 @@ const (
 )
 
 // Values is kept in memory to create a values.yaml file.
-var Values = make(map[string]map[string]interface{})
-var VolumeValues = make(map[string]map[string]map[string]interface{})
-var EmptyDirs = []string{}
+var (
+	Values         = make(map[string]map[string]interface{})
+	VolumeValues   = make(map[string]map[string]map[string]interface{})
+	EmptyDirs      = []string{}
+	servicesMap    = make(map[string]int)
+	serviceWaiters = make(map[string][]chan int)
+	locker         = &sync.Mutex{}
 
-var dependScript = `
+	dependScript = `
 OK=0
 echo "Checking __service__ port"
 while [ $OK != 1 ]; do
@@ -48,11 +48,12 @@ echo
 echo "Done"
 `
 
-var madeDeployments = make(map[string]helm.Deployment, 0)
+	madeDeployments = make(map[string]helm.Deployment, 0)
+)
 
 // Create a Deployment for a given compose.Service. It returns a list of objects: a Deployment and a possible Service (kubernetes represnetation as maps).
 func CreateReplicaObject(name string, s types.ServiceConfig, linked map[string]types.ServiceConfig) chan interface{} {
-	ret := make(chan interface{}, len(s.Ports)+len(s.Expose)+1)
+	ret := make(chan interface{}, len(s.Ports)+len(s.Expose)+2)
 	go parseService(name, s, linked, ret)
 	return ret
 }
@@ -136,17 +137,17 @@ func parseService(name string, s types.ServiceConfig, linked map[string]types.Se
 
 // prepareContainer assigns image, command, env, and labels to a container.
 func prepareContainer(container *helm.Container, service types.ServiceConfig, servicename string) {
-	locker.Lock()
-	defer locker.Unlock()
 	// if there is no image name, this should fail!
 	if service.Image == "" {
 		log.Fatal(ICON_PACKAGE+" No image name for service ", servicename)
 	}
 	container.Image = "{{ .Values." + servicename + ".image }}"
 	container.Command = service.Command
+	locker.Lock()
 	Values[servicename] = map[string]interface{}{
 		"image": service.Image,
 	}
+	locker.Unlock()
 	prepareProbes(servicename, service, container)
 	generateContainerPorts(service, servicename, container)
 }
@@ -159,7 +160,8 @@ func generateServicesAndIngresses(name string, s types.ServiceConfig) []interfac
 	ks := helm.NewService(name)
 
 	for _, p := range s.Ports {
-		ks.Spec.Ports = append(ks.Spec.Ports, helm.NewServicePort(int(p.Target), int(p.Target)))
+		target := int(p.Target)
+		ks.Spec.Ports = append(ks.Spec.Ports, helm.NewServicePort(target, target))
 	}
 	ks.Spec.Selector = buildSelector(name, s)
 
@@ -286,7 +288,10 @@ func generateContainerPorts(s types.ServiceConfig, name string, container *helm.
 		// split port by ","
 		ports := strings.Split(v, ",")
 		for _, port := range ports {
-			port, _ := strconv.Atoi(port)
+			port, err := strconv.Atoi(port)
+			if err != nil {
+				log.Fatalf("The given port \"%v\" as container port in \"%s\" service is not an integer\n", v, name)
+			}
 			container.Ports = append(container.Ports, &helm.ContainerPort{
 				Name:          name,
 				ContainerPort: port,
@@ -343,7 +348,13 @@ func prepareVolumes(deployment, name string, s types.ServiceConfig, container *h
 		}
 		if isCM {
 			// check if the volname path points on a file, if so, we need to add subvolume to the interface
-			stat, _ := os.Stat(volname)
+			stat, err := os.Stat(volname)
+			if err != nil {
+				logger.ActivateColors = true
+				logger.Redf("An error occured reading volume path %s\n", err.Error())
+				logger.ActivateColors = false
+				continue
+			}
 			pointToFile := ""
 			if !stat.IsDir() {
 				pointToFile = filepath.Base(volname)
@@ -447,13 +458,13 @@ func prepareInitContainers(name string, s types.ServiceConfig, container *helm.C
 
 		foundPort := -1
 		locker.Lock()
-		defer locker.Unlock()
 		if defaultPort, ok := servicesMap[dp]; !ok {
 			logger.Redf("Error while getting port for service %s\n", dp)
 			os.Exit(1)
 		} else {
 			foundPort = defaultPort
 		}
+		locker.Unlock()
 		if foundPort == -1 {
 			log.Fatalf(
 				"ERROR, the %s service is waiting for %s port number, "+
diff --git a/generator/main_test.go b/generator/main_test.go
index df43dd0..2cde4a1 100644
--- a/generator/main_test.go
+++ b/generator/main_test.go
@@ -5,7 +5,6 @@ import (
 	"katenary/compose"
 	"katenary/helm"
 	"katenary/logger"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -98,7 +97,7 @@ volumes:
 var defaultCliFiles = cli.DefaultFileNames
 
 func init() {
-	logger.NOLOG = true
+	logger.NOLOG = false
 }
 
 func setUp(t *testing.T) (string, *compose.Parser) {
@@ -120,8 +119,7 @@ func setUp(t *testing.T) (string, *compose.Parser) {
 // Check if the web2 service has got a command.
 func TestCommand(t *testing.T) {
 	tmp, p := setUp(t)
-	//defer os.RemoveAll(tmp)
-	log.Println(tmp)
+	defer os.RemoveAll(tmp)
 
 	for _, service := range p.Data.Services {
 		name := service.Name
diff --git a/generator/writer.go b/generator/writer.go
index 55a0425..fd61e14 100644
--- a/generator/writer.go
+++ b/generator/writer.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"strconv"
 	"strings"
 	"time"
 
@@ -34,15 +35,29 @@ func Generate(p *compose.Parser, katernayVersion, appName, appVersion, composeFi
 
 	// Manage services, avoid linked pods and store all services port in servicesMap
 	avoids := make(map[string]bool)
-	linked := make(map[string]types.ServiceConfig, 0)
-	for _, service := range p.Data.Services {
+	for i, service := range p.Data.Services {
 		n := service.Name
 
+		if ports, ok := service.Labels[helm.LABEL_PORT]; ok {
+			if service.Ports == nil {
+				service.Ports = make([]types.ServicePortConfig, 0)
+			}
+			for _, port := range strings.Split(ports, ",") {
+				target, err := strconv.Atoi(port)
+				if err != nil {
+					log.Fatal(err)
+				}
+				service.Ports = append(service.Ports, types.ServicePortConfig{
+					Target: uint32(target),
+				})
+			}
+		}
 		// find port and store it in servicesMap
 		for _, port := range service.Ports {
 			target := int(port.Target)
 			if target != 0 {
 				servicesMap[n] = target
+				break
 			}
 		}
 
@@ -58,16 +73,8 @@ func Generate(p *compose.Parser, katernayVersion, appName, appVersion, composeFi
 			//append them in EmptyDirs
 			EmptyDirs = append(EmptyDirs, emptyDirs...)
 		}
+		p.Data.Services[i] = service
 
-		// find service linked to this one
-		for _, service := range p.Data.Services {
-			n := service.Name
-			for _, label := range service.Labels {
-				if label == helm.LABEL_SAMEPOD {
-					linked[n] = service
-				}
-			}
-		}
 	}
 
 	// for all services in linked map, and not in avoids map, generate the service
@@ -77,6 +84,15 @@ func Generate(p *compose.Parser, katernayVersion, appName, appVersion, composeFi
 		if _, found := avoids[name]; found {
 			continue
 		}
+		linked := make(map[string]types.ServiceConfig, 0)
+		// find service
+		for _, service := range p.Data.Services {
+			n := service.Name
+			if linkname, ok := service.Labels[helm.LABEL_SAMEPOD]; ok && linkname == name {
+				linked[n] = service
+			}
+		}
+
 		files[name] = CreateReplicaObject(name, s, linked)
 	}
 
diff --git a/go.mod b/go.mod
index f5e777e..4e007b6 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,6 @@ go 1.16
 
 require (
 	github.com/compose-spec/compose-go v1.2.2
-	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/kr/pretty v0.2.0 // indirect
 	github.com/spf13/cobra v1.4.0
 	golang.org/x/mod v0.5.1
diff --git a/go.sum b/go.sum
index 1638ead..ac3e4ea 100644
--- a/go.sum
+++ b/go.sum
@@ -47,8 +47,6 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
-github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
 github.com/gorilla/handlers v1.5.1/go.mod h1:t8XrUpc4KVXb7HGyJ4/cEnwQiaxrX/hz1Zv/4g96P1Q=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=