diff --git a/src/BashModule.cpp b/src/BashModule.cpp
index 7c0f68c..00929bb 100644
--- a/src/BashModule.cpp
+++ b/src/BashModule.cpp
@@ -12,11 +12,12 @@
 
 using namespace std;
 
-//destructor inline 
+//constructor
 BashModule::BashModule()
 {
 	name="Bash";
 }
+//destructor inline 
 
 //private methods
 int BashModule::executeScript(string serviceUsername, string script)
@@ -51,10 +52,7 @@ int BashModule::executeScript(string serviceUsername, string script)
                     return status;
                 } else { 
                     //child process
-                    if(execl("/bin/bash", "/bin/bash", "--noediting", "--noprofile", "--norc", "--", script.c_str(), (char *)0)==-1)
-                    {
-                        cerr << "Error in the execl call of " << script << endl;
-                    }
+                    execl("/bin/bash", "/bin/bash", "--noediting", "--noprofile", "--norc", "--", script.c_str(), (char *)0);
                 } 
             }
         }
@@ -94,6 +92,7 @@ int BashModule::executeScriptAs(string serviceUsername, string script)
                 return -1; 
             } else if (pid > 0) { 
                 //parent process 
+                cout << "in parent process" << endl;
                 int status;
                 waitpid(-1,&status,0);
                 if(status==-1){
@@ -105,10 +104,7 @@ int BashModule::executeScriptAs(string serviceUsername, string script)
                 //executing as the user corresponding to the service
                 setgid(p->pw_gid);
                 setuid(p->pw_uid);
-                if(execl("/bin/bash", "/bin/bash", "--noediting", "--noprofile", "--norc", "--",script.c_str(), serviceUsername, (char *)0)==-1)
-                {
-                    cerr << "Error in the execl call of " << script << endl;
-                }
+                execl("/bin/bash", "/bin/bash", "--noediting", "--noprofile", "--norc", "--",script.c_str(), serviceUsername, (char *)0);
             } 
         }       
     }
@@ -121,7 +117,7 @@ int BashModule::Prepare()
     return 0;
 }
 
-int BashModule::Deploy (string serviceUsername)
+int BashModule::Deploy(string serviceUsername)
 {
     string deployScript="./services/"+serviceUsername+"/deploy.sh"; //to be executed as current user
     string deployAsScript="./services/"+serviceUsername+"/deploy_user.sh"; //to be executed as the user corresponding to the service
diff --git a/src/DockerModule.h b/src/DockerModule.h
index ed1ab12..7d75105 100644
--- a/src/DockerModule.h
+++ b/src/DockerModule.h
@@ -12,10 +12,10 @@ class DockerModule : public Module
     public:
     DockerModule();
     ~DockerModule(){} //inline
-    int Prepare ();
-    int Deploy (string serviceUsername);
+    int Prepare();
+    int Deploy(string serviceUsername);
     int Remove(string serviceUsername);
-    int Clean ();
+    int Clean();
     private:
     int removeContainersCreatedByDockerCompose();
     int removeContainersWithServiceName (string serviceUsename);
diff --git a/src/NginxModule.cpp b/src/NginxModule.cpp
index 0d4c1b4..5c40193 100644
--- a/src/NginxModule.cpp
+++ b/src/NginxModule.cpp
@@ -2,12 +2,15 @@
 // Copyright (C) 2024 Jean-Cloud
 // GNU General Public License v3
 
+#include <filesystem>
+#include <fstream>
 #include "NginxModule.h"
 using namespace std;
+namespace fs=filesystem;
 
 //constructor
 NginxModule::NginxModule(){
-    name="Let's Encrypt";
+    name="Nginx";
 }
 
 //destructor inline
@@ -15,11 +18,48 @@ NginxModule::NginxModule(){
 //public methods
 int NginxModule::Prepare ()
 {
+    cout << "nginx preparation" << endl;
+    //create proxy_dir
+    string proxy_dir=getenv("proxy_dir");
+    fs::create_directories(proxy_dir);
+
+    //delete current new_conf directory (to start from scratch)
+    string new_nginx_conf_path=getenv("new_nginx_conf_path");
+    fs::remove_all(new_nginx_conf_path);
+
+    //create new new_conf directory
+    fs::create_directories(new_nginx_conf_path);
+
+    //create new conf file (for tests purposes)
+    string nginx_conf_path=getenv("nginx_conf_path");
+    //open the old conf file
+    ifstream input("./services/_proxy/nginx.conf");
+    if (!input) {
+        std::cerr << "Error when opening /services/_proxy/nginx.conf" << std::endl;
+        return 1;
+    } else {
+        stringstream buffer;
+        buffer << input.rdbuf();
+        string content = buffer.str();
+        input.close();
+        //replace nginx_conf_path with the new nginx_conf_path in the conf
+        size_t pos=string::npos;
+        while (content.find(nginx_conf_path)!=string::npos){
+            content.replace(content.find(nginx_conf_path),nginx_conf_path.length(),new_nginx_conf_path);
+        }
+        //fill the new conf file
+        ofstream output (proxy_dir+"/new_nginx.conf");
+        output << content;
+        output.close();
+    }
     return 0;
 }
 
 int NginxModule::Deploy (string serviceUsername)
 {
+    //write the new conf 
+    
+
     return 0;
 }
 
@@ -30,5 +70,6 @@ int NginxModule::Remove(string serviceUsername)
 
 int NginxModule::Clean ()
 {
+    cout << "nginx cleaning" << endl;
     return 0;
 }
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 1fce722..5229a61 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -28,10 +28,10 @@ int isServiceOnServer(string serviceUsername)
     string cmd ="getent hosts " +serviceUsername;  
     string result = BashManager::ExecuteAndReadResult(cmd);
     if(result.find("::1")!=string::npos){ //if result contains "::1" which is the notation for loopback in IpV6
-        cout << "service on server" << endl;
+        cout << "service " << serviceUsername << " on server" << endl;
         return 0;
     }
-    cout << "service not on server" << endl;
+    cout << "service" << serviceUsername << " not on server" << endl;
     return 1;
    return 0;
 }
@@ -99,7 +99,6 @@ string findCertificate(string serviceUsername)
     string dns_certs_path=getenv("dns_certs_path"); //dns_certs_path is an environment variable
     //finding the serviceUsername* directory
     string cmd="ls $dns_certs_path/"+serviceUsername+" | grep '^"+serviceUsername+"\\(-[0-9]\\{4\\}\\)\\?$'";
-    cout << "before"<< endl;
     string name = BashManager::ExecuteAndReadResult(cmd);
     cout << "result 1: " << name << endl;
     if (!name.empty()){
@@ -141,12 +140,12 @@ int createEnvService(string serviceUsername)
     string docker_dir="/services/"+serviceUsername;
     string jc_service=serviceUsername;
     string home="/data/"+serviceUsername;
-    string jc_id=to_string(services.FindByUsername(serviceUsername)->GetUserID());
+    string jc_id=to_string(services.FindByUsername(serviceUsername)->GetUserID()+stoi(getenv("services_uid_start")));
     string net="172.29."+jc_id;
     string jc_cert=findCertificate(serviceUsername);
 
     //create a .env file accessible outside the C++ program
-    string file = "/services/"+serviceUsername+"/.env";
+    string file = "./services/"+serviceUsername+"/.env";
     ofstream outfile(file);
     outfile << "http_dir=" << http_dir << endl;
     outfile << "data_dir=" << data_dir << endl;
@@ -173,14 +172,12 @@ int createEnvService(string serviceUsername)
     //create the directories
     //data_dir
     fs::create_directories(data_dir);
-    if (chown(data_dir.c_str(), (unsigned int)stoi(jc_id),(unsigned int)stoi(jc_id)) != 0) {
-        cerr << "Error changing ownership of" << data_dir << endl;
-        return -1;
-    }
+    string cmd="chown "+ jc_id +" "+data_dir;
+    BashManager::Execute(cmd); 
     fs::permissions(data_dir,fs::perms::owner_all|fs::perms::group_read|fs::perms::group_exec|fs::perms::others_exec,fs::perm_options::replace);
     //http_dir
     fs::create_directories(http_dir);
-    string cmd="chown "+ jc_id +":www-data -R "+http_dir;
+    cmd="chown "+ jc_id +":www-data -R "+http_dir;
     BashManager::Execute(cmd); 
     //secret_dir
     fs::create_directories(secret_dir);
@@ -189,8 +186,8 @@ int createEnvService(string serviceUsername)
         return -1;
     }
     fs::permissions(secret_dir,fs::perms::owner_all|fs::perms::group_read|fs::perms::group_exec|fs::perms::others_exec,fs::perm_options::replace);
-   cout << "service environment created" << endl;
-   return 0;
+    cout << "service " << serviceUsername << " environment created" << endl;
+    return 0;
 }
 
 int removeEnvService()
diff --git a/test/IntegrationTests/src/main.cpp b/test/IntegrationTests/src/main.cpp
index 8710026..13517ba 100644
--- a/test/IntegrationTests/src/main.cpp
+++ b/test/IntegrationTests/src/main.cpp
@@ -3,6 +3,7 @@
 // GNU General Public License v3
 
 #include <iostream>
+#include <fstream>
 #include "BashManager.h"
 
 using namespace std;
@@ -13,14 +14,65 @@ void Help()
 }
 
 //tests
-void environmentTest()
-{
-    cout << "Test of the environment setup." << endl;
-}
-
 void bashTest()
 {
-    cout << "Test of BashModule" << endl;
+    //test of the execution of deploy.sh
+    int res1=-1;
+    ifstream deployResult("deployResult");
+    if (!deployResult){
+        cout << "The deployResult file cannot be opened. The Bash module must have failed at executing deploy.sh." << endl;
+    } else {
+        string user; //deploy.sh writes in deployResult the result of the whoami command
+        getline(deployResult,user);
+        if (user!="root"){
+            cout << "The deploy.sh has not been executed with the right user." << endl;
+        } else {
+            res1=0;
+        }
+    }
+    //test of the execution of deploy_user.sh
+    //deploy_user.sh of test.sh8s.sh creates deployAsResult in the data_dir as the user associated with the service
+    int res2=-1;
+    //extract the data_dir path from the .env file 
+    ifstream env ("services/test.sh8s.sh/.env");
+    if (!env){
+        cout << ".env file non-existent. The deployer must have failed to create it." << endl;
+    } else {
+        string line;
+        string data_dir;
+        size_t pos = string::npos;
+        while (getline (env, line)){
+            pos=line.find("data_dir=");
+            if (pos!=string::npos){
+                data_dir=line.substr(pos+9);
+                break;
+            }
+        }
+        if (data_dir.empty()){
+            cout << "http_dir variable not defined in the .env. The deployer must have failed to initialize it." << endl;
+        } else {
+            //read the deployAsResult file
+            string path=data_dir+"/deployAsResult";
+            ifstream deployAsResult(path);
+            if (!deployAsResult){
+                cout << "The deployAsResult file cannot be opened. The Bash module must have failed at executing deploy_user.sh." << endl;
+            } else {
+                string user; //deploy.sh writes in deployAsResult the result of the whoami command
+                getline(deployAsResult,user);
+                if (user!="test.sh8s.sh"){
+                    cout << "The deploy.sh has not been executed with the right user." << endl;
+                } else {
+                    res2=0;
+                }
+            }
+        }
+    }
+    int res=res1+res2;
+    if (res==0){
+        cout << "Test of BashModule: OK" << endl;
+    } else {
+        cout << "Test of BashModule: FAIL" << endl;
+    }
 }
 
 void dockerTest()
@@ -48,11 +100,9 @@ int main(int argc, char **argv)
     if(argc!=2){
         cerr << "Invalid number of arguments." << endl;
     } else{
-        BashManager::Execute("./deployer deploy all");
+        BashManager::Execute("./deployer deploy test.sh8s.sh");
         string action=argv[1];
-        if (action=="environment"){
-            environmentTest();       
-        } else if  (action=="bash"){
+        if (action=="bash"){
             bashTest();
         } else if  (action=="docker"){
             dockerTest();
@@ -63,7 +113,6 @@ int main(int argc, char **argv)
         } else if  (action=="encryption"){
             encryptionTest();
         } else if  (action=="all"){
-            environmentTest();
             bashTest();
             dockerTest();
             nginxTest();
diff --git a/testenv/services/_proxy/nginx b/testenv/services/_proxy/nginx
new file mode 100644
index 0000000..33a9488
--- /dev/null
+++ b/testenv/services/_proxy/nginx
@@ -0,0 +1 @@
+example
diff --git a/testenv/services/_proxy/nginx.conf b/testenv/services/_proxy/nginx.conf
new file mode 100644
index 0000000..33a9488
--- /dev/null
+++ b/testenv/services/_proxy/nginx.conf
@@ -0,0 +1 @@
+example
diff --git a/testenv/services/test.sh8s.sh/deploy_user.sh b/testenv/services/test.sh8s.sh/deploy_user.sh
index 192a94d..0fe3a44 100755
--- a/testenv/services/test.sh8s.sh/deploy_user.sh
+++ b/testenv/services/test.sh8s.sh/deploy_user.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-touch $http_dir/deployAsResult
-echo $(whoami) >> $http_dir/deployResult
+touch $data_dir/deployAsResult
+echo $(whoami) >> $data_dir/deployAsResult