diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index c88bcfe..ed4399b 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -4,6 +4,20 @@
 ARG VARIANT="bullseye"
 FROM mcr.microsoft.com/vscode/devcontainers/cpp:0-${VARIANT}
 
+# product arguments
+ARG ENV="production"
+ARG NAME="connector"
+
+# default arguments for build
+ARG WORK_DIR="/connector"
+ARG BUILD_DIR="build"
+ARG DIST_DIR="dist"
+
+# default arguments for application
+ARG REMOTE_IP_ADDRESS="198.41.0.4"
+ARG REMOTE_PORT="53"
+ARG CLIENT_MESSAGE="0"
+
 # [Optional] Install CMake version different from what base image has already installed. 
 # CMake reinstall choices: none, 3.21.5, 3.22.2, or versions from https://cmake.org/download/
 ARG REINSTALL_CMAKE_VERSION_FROM_SOURCE="none"
@@ -30,4 +44,20 @@ RUN sudo apt-get -y install ninja-build
 RUN sudo apt-get -y install libboost-all-dev
 
 # install Ruby Gemfile
-RUN sudo gem install bundler
\ No newline at end of file
+RUN sudo gem install bundler
+
+# set environments
+
+# product environment
+ENV ENV=${ENV}
+ENV NAME=${NAME}
+
+# default envionment for build
+ENV WORK_DIR=${WORK_DIR}
+ENV BUILD_DIR=${BUILD_DIR}
+ENV DIST_DIR=${DIST_DIR}
+
+# default environment for application
+ENV REMOTE_IP_ADDRESS=${REMOTE_IP_ADDRESS}
+ENV REMOTE_PORT=${REMOTE_PORT}
+ENV CLIENT_MESSAGE=${CLIENT_MESSAGE}
\ No newline at end of file
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 1a6bfae..ac34c77 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -7,7 +7,19 @@
 		// Update 'VARIANT' to pick an Debian / Ubuntu OS version: debian-11, debian-10, ubuntu-22.04, ubuntu-20.04, ubuntu-18.04
 		// Use Debian 11, Ubuntu 18.04 or Ubuntu 22.04 on local arm64/Apple Silicon
 		"args": {
-			"VARIANT": "debian-11"
+			// # os
+			"VARIANT": "debian-11",
+			// # product
+			"ENV": "development",
+			"NAME": "connector",
+			// # build
+			"WORK_DIR": "/connector",
+			"BUILD_DIR": "build",
+			"DIST_DIR": "dist",
+			// # application
+			"REMOTE_IP_ADDRESS": "198.41.0.4",
+			"REMOTE_PORT": "53",
+			"CLIENT_MESSAGE": "0"
 		}
 	},
 	"runArgs": [
@@ -21,12 +33,13 @@
 	"extensions": [
 		"ms-vscode.cpptools",
 		"ms-vscode.cmake-tools",
-		"alexkrechik.cucumberautocomplete"
+		"alexkrechik.cucumberautocomplete",
+		"ms-azuretools.vscode-docker"
 	],
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "chmod +x ./install.sh && ./install.sh",
+	// "postCreateCommand": "chmod +x ./install.sh && ./install.sh",
 	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode"
 }
\ No newline at end of file
diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..c795b05
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+build
\ No newline at end of file
diff --git a/.env b/.env
new file mode 100644
index 0000000..824e4ae
--- /dev/null
+++ b/.env
@@ -0,0 +1,14 @@
+# product
+ENV="production"
+NAME="connector"
+CONTAINER="linux"
+
+# build
+WORK_DIR="/connector"
+BUILD_DIR="build"
+DIST_DIR="dist"
+
+# application
+REMOTE_IP_ADDRESS="198.41.0.4"
+REMOTE_PORT="53"
+CLIENT_MESSAGE="-1"
\ No newline at end of file
diff --git a/Dockerfile.linux b/Dockerfile.linux
new file mode 100644
index 0000000..3a86cec
--- /dev/null
+++ b/Dockerfile.linux
@@ -0,0 +1,58 @@
+# base operation system image
+FROM ubuntu:latest AS production
+
+# Metadata indicating an image maintainer.
+LABEL maintainer="Azmi ŞAHİN <azmisahin@outlook.com>"
+
+# product arguments
+ARG ENV="production"
+ARG NAME="connector"
+
+# default arguments for build
+ARG WORK_DIR="/connector"
+ARG BUILD_DIR="build"
+ARG DIST_DIR="dist"
+
+# default arguments for application
+ARG REMOTE_IP_ADDRESS="198.41.0.4"
+ARG REMOTE_PORT="53"
+ARG CLIENT_MESSAGE="0"
+
+# product environment
+ENV ENV=${ENV}
+ENV NAME=${NAME}
+
+# default envionment for build
+ENV WORK_DIR=${WORK_DIR}
+ENV BUILD_DIR=${BUILD_DIR}
+ENV DIST_DIR=${DIST_DIR}
+
+# default environment for application
+ENV REMOTE_IP_ADDRESS=${REMOTE_IP_ADDRESS}
+ENV REMOTE_PORT=${REMOTE_PORT}
+ENV CLIENT_MESSAGE=${CLIENT_MESSAGE}
+
+# make the 'application' folder the current working directory
+WORKDIR ${WORK_DIR}
+
+# copy project file the working directory
+COPY . .
+
+# install project dependencies
+RUN apt-get update
+RUN apt-get -y install build-essential
+RUN apt-get -y install clang 
+RUN apt-get -y install cmake
+
+# build
+RUN mkdir ${BUILD_DIR} && \
+    cd ${BUILD_DIR} && \
+    cmake .. &&\
+    make &&\
+    mkdir ${DIST_DIR} && \
+    mkdir ${DIST_DIR}_test && \
+    cp ./${NAME} ${DIST_DIR} && \
+    cp ./${NAME}_test ${DIST_DIR}_test
+
+# test
+CMD ["bash", "-c", "${WORK_DIR}/${BUILD_DIR}/${DIST_DIR}_test/${NAME}_test ${REMOTE_IP_ADDRESS} ${REMOTE_PORT} \"${CLIENT_MESSAGE}\""]
\ No newline at end of file
diff --git a/Dockerfile.windows b/Dockerfile.windows
new file mode 100644
index 0000000..76afe27
--- /dev/null
+++ b/Dockerfile.windows
@@ -0,0 +1,58 @@
+# base operation system image
+FROM mcr.microsoft.com/windows/servercore:ltsc2019 as production
+
+# Metadata indicating an image maintainer.
+LABEL maintainer="Azmi ŞAHİN <azmisahin@outlook.com>"
+
+# product arguments
+ARG ENV="production"
+ARG NAME="connector"
+
+# default arguments for build
+ARG WORK_DIR="/connector"
+ARG BUILD_DIR="build"
+ARG DIST_DIR="dist"
+
+# default arguments for application
+ARG REMOTE_IP_ADDRESS="198.41.0.4"
+ARG REMOTE_PORT="53"
+ARG CLIENT_MESSAGE="0"
+
+# product environment
+ENV ENV=${ENV}
+ENV NAME=${NAME}
+
+# default envionment for build
+ENV WORK_DIR=${WORK_DIR}
+ENV BUILD_DIR=${BUILD_DIR}
+ENV DIST_DIR=${DIST_DIR}
+
+# default environment for application
+ENV REMOTE_IP_ADDRESS=${REMOTE_IP_ADDRESS}
+ENV REMOTE_PORT=${REMOTE_PORT}
+ENV CLIENT_MESSAGE=${CLIENT_MESSAGE}
+
+# make the 'application' folder the current working directory
+WORKDIR ${WORK_DIR}
+
+# copy project file the working directory
+COPY . .
+
+# install project dependencies
+# update
+# install build tools
+# install clang 
+# install cmake
+
+# build
+RUN mkdir %BUILD_DIR% && \
+    cd %BUILD_DIR% && \
+    echo cmake .. &&\
+    echo make &&\
+    mkdir %DIST_DIR% && \
+    mkdir %DIST_DIR%_test && \
+    echo copy ./%NAME%.exe %DIST_DIR% && \
+    echo copy ./%NAME%_test.exe %DIST_DIR%_test.exe
+
+# test
+RUN echo %WORK_DIR%/%BUILD_DIR%/%DIST_DIR%_test/%NAME%_test.exe %REMOTE_IP_ADDRESS% %REMOTE_PORT% "%CLIENT_MESSAGE%"
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..9dab5e3
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,39 @@
+version: '3.8'
+services:
+  application:
+    build:
+      context: .
+      # load operating system container
+      dockerfile: Dockerfile.${CONTAINER}
+      args:
+        # build
+        NAME: ${NAME}
+        WORK_DIR: ${WORK_DIR}
+        BUILD_DIR: ${BUILD_DIR}
+        DIST_DIR: ${DIST_DIR}
+
+        # application
+        REMOTE_IP_ADDRESS: ${REMOTE_IP_ADDRESS}
+        REMOTE_PORT: ${REMOTE_PORT}
+        CLIENT_MESSAGE: ${CLIENT_MESSAGE}
+      labels:
+        com.azmisahin.description: ${NAME}
+        com.azmisahin.department: "DEVOPS"
+      # stage
+      target: ${ENV}
+    container_name: ${NAME}-${CONTAINER}
+    environment:
+      # build
+      NAME: ${NAME}
+      WORK_DIR: ${WORK_DIR}
+      BUILD_DIR: ${BUILD_DIR}
+      DIST_DIR: ${DIST_DIR}
+
+      # application
+      REMOTE_IP_ADDRESS: ${REMOTE_IP_ADDRESS}
+      REMOTE_PORT: ${REMOTE_PORT}
+      CLIENT_MESSAGE: ${CLIENT_MESSAGE}
+    networks:
+      default: null
+    restart: "no"
+    tty: true
diff --git a/install.sh b/install.sh
deleted file mode 100644
index f7a24bb..0000000
--- a/install.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#/**
-# * @file install.sh
-# * @author Azmi ŞAHİN (azmisahin@outlook.com)
-# * @brief emulation of risc-based architectures with a cisc architecture.
-# * @version 0.1
-# * @date 2022-05-02
-# *
-# * @copyright Copyright (c) 2022
-# */
-
-echo ruby package install
-bundle install
-
-echo gcc version
-gcc --version
-
-echo ruby version
-ruby --version
-
-echo gem version
-gem --version
-
-echo cucumber version
-cucumber --version
\ No newline at end of file
diff --git a/src/Sockets/IpAddress.h b/src/Sockets/IpAddress.h
index 1f7af47..655c1f3 100644
--- a/src/Sockets/IpAddress.h
+++ b/src/Sockets/IpAddress.h
@@ -11,8 +11,10 @@
 #ifndef IPADDRESS_H
 #define IPADDRESS_H
 
-#define A_ROOT_SERVER_NET "198.41.0.4"
-#define DNS_PORT 53
+#include <cstdlib>
+// make source codes suitable for devops production environment.
+#define A_ROOT_SERVER_NET std::getenv("REMOTE_IP_ADDRESS")
+#define DNS_PORT std::getenv("REMOTE_PORT")
 
 /**
  * module dependencies
diff --git a/tests/Sockets/src/SocketBase_Spec.cpp b/tests/Sockets/src/SocketBase_Spec.cpp
index ac147c7..fe81d59 100644
--- a/tests/Sockets/src/SocketBase_Spec.cpp
+++ b/tests/Sockets/src/SocketBase_Spec.cpp
@@ -13,6 +13,10 @@
 #include "../../../src/Sockets/IpAddress.h"
 #include "../../TestTool.h"
 
+// define test environment
+char *REMOTE_IP_ADDRESS = A_ROOT_SERVER_NET;
+int REMOTE_PORT = strtol(DNS_PORT, NULL, 10);
+
 bool Constractor_AddressFamiliySpec()
 {
     SocketBase instance(2, 1, 0);
@@ -49,8 +53,6 @@ bool Constractor_ProtocolTypeSpec()
 bool CreateSpec()
 {
     SocketBase instance(2, 1, 0);
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     bool expected = 1;
     bool actual = instance.Id();
@@ -61,10 +63,10 @@ bool CreateSpec()
 
 bool ConnectSpec()
 {
-    SocketBase instance(2, 1, 0);
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
+    SocketBase instance(2, 1, 0);
 
     SocketStatus expected = SocketStatus::Connected;
     SocketStatus actual = instance.Connect(hostName, portNumber);
@@ -75,9 +77,10 @@ bool ConnectSpec()
 
 bool SendSpec()
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     char *message = (char *)"00000001";
 
@@ -92,9 +95,10 @@ bool SendSpec()
 
 bool DownSpec()
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     char *message = (char *)"00000001";
 
@@ -110,9 +114,10 @@ bool DownSpec()
 
 bool ReceiveSpec()
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     char *message = (char *)"00000001";
 
@@ -128,9 +133,10 @@ bool ReceiveSpec()
 
 bool IdSpec()
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     bool expected = 1;
     bool actual = instance.Id();
diff --git a/tests/Sockets/src/SocketBase_Test.cpp b/tests/Sockets/src/SocketBase_Test.cpp
index 02da620..b429916 100644
--- a/tests/Sockets/src/SocketBase_Test.cpp
+++ b/tests/Sockets/src/SocketBase_Test.cpp
@@ -15,6 +15,10 @@
 #define BOOST_TEST_MODULE SocketBaseTest
 #include <boost/test/unit_test.hpp>
 
+// define test environment
+char *REMOTE_IP_ADDRESS = A_ROOT_SERVER_NET;
+int REMOTE_PORT = strtol(DNS_PORT, NULL, 10);
+
 BOOST_AUTO_TEST_SUITE(SocketBase_Suit)
 BOOST_AUTO_TEST_CASE(Constractor_AddressFamiliy)
 {
@@ -48,10 +52,10 @@ BOOST_AUTO_TEST_CASE(Constractor_ProtocolType)
 
 BOOST_AUTO_TEST_CASE(Connect)
 {
-    SocketBase instance(2, 1, 0);
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
-    char *hostName = A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
+    SocketBase instance(2, 1, 0);
 
     bool expected = true;
     bool actual = instance.Connect(hostName, portNumber);
@@ -61,9 +65,10 @@ BOOST_AUTO_TEST_CASE(Connect)
 
 BOOST_AUTO_TEST_CASE(Send)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     char *message = "00000001";
 
@@ -75,9 +80,10 @@ BOOST_AUTO_TEST_CASE(Send)
 
 BOOST_AUTO_TEST_CASE(Receive)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     char *message = "00000001";
     instance.Send(message);
@@ -91,9 +97,10 @@ BOOST_AUTO_TEST_CASE(Receive)
 
 BOOST_AUTO_TEST_CASE(Id)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     SocketBase instance(2, 1, 0);
-    char *hostName = A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
 
     bool expected = 1;
     bool actual = instance.Id();
diff --git a/tests/Sockets/src/Socket_Spec.cpp b/tests/Sockets/src/Socket_Spec.cpp
index 5368517..aabe121 100644
--- a/tests/Sockets/src/Socket_Spec.cpp
+++ b/tests/Sockets/src/Socket_Spec.cpp
@@ -12,6 +12,10 @@
 #include "../../../src/Sockets/Socket.h"
 #include "../../TestTool.h"
 
+// define test environment
+char *REMOTE_IP_ADDRESS = A_ROOT_SERVER_NET;
+int REMOTE_PORT = strtol(DNS_PORT, NULL, 10);
+
 bool Constractor_AddressFamiliySpec()
 {
     Socket instance(AddressFamiliy::InterNetwork, SocketType::Stream, ProtocolType::Ip);
@@ -47,8 +51,8 @@ bool Constractor_ProtocolTypeSpec()
 
 bool CreateSpec()
 {
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
     Socket instance(AddressFamiliy::InterNetwork, SocketType::Stream, ProtocolType::Ip);
 
@@ -61,8 +65,8 @@ bool CreateSpec()
 
 bool ConnectSpec()
 {
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
     IpAddress ipAddress(hostName);
     IpEndPoint ipEndPoint(ipAddress, portNumber);
@@ -78,8 +82,8 @@ bool ConnectSpec()
 
 bool SendSpec()
 {
-    char *hostName = (char *);
-    int portNumber = DNS_PORT;
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
     IpAddress ipAddress(hostName);
     IpEndPoint ipEndPoint(ipAddress, portNumber);
@@ -99,8 +103,8 @@ bool SendSpec()
 
 bool ReceiveSpec()
 {
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
     IpAddress ipAddress(hostName);
     IpEndPoint ipEndPoint(ipAddress, portNumber);
@@ -122,8 +126,8 @@ bool ReceiveSpec()
 
 bool IdSpec()
 {
-    char *hostName = (char *)A_ROOT_SERVER_NET;
-    int portNumber = DNS_PORT;
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
 
     IpAddress ipAddress(hostName);
     IpEndPoint ipEndPoint(ipAddress, portNumber);
diff --git a/tests/Sockets/src/Socket_Test.cpp b/tests/Sockets/src/Socket_Test.cpp
index 62f1115..b1a2bf4 100644
--- a/tests/Sockets/src/Socket_Test.cpp
+++ b/tests/Sockets/src/Socket_Test.cpp
@@ -14,6 +14,10 @@
 #define BOOST_TEST_MODULE SocketTest
 #include <boost/test/unit_test.hpp>
 
+// define test environment
+char *REMOTE_IP_ADDRESS = A_ROOT_SERVER_NET;
+int REMOTE_PORT = strtol(DNS_PORT, NULL, 10);
+
 BOOST_AUTO_TEST_SUITE(Socket_Suite)
 BOOST_AUTO_TEST_CASE(Constractor_AddressFamiliy)
 {
@@ -44,8 +48,11 @@ BOOST_AUTO_TEST_CASE(Constractor_ProtocolType)
 
 BOOST_AUTO_TEST_CASE(Connect)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     Socket instance(AddressFamiliy::InterNetwork, SocketType::Stream, ProtocolType::Ip);
-    IpEndPoint ipEndPoint(A_ROOT_SERVER_NET, DNS_PORT);
+    IpEndPoint ipEndPoint(hostName, portNumber);
     bool expected = true;
     bool actual = instance.Connect(ipEndPoint);
 
@@ -54,8 +61,11 @@ BOOST_AUTO_TEST_CASE(Connect)
 
 BOOST_AUTO_TEST_CASE(Send)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     Socket instance(AddressFamiliy::InterNetwork, SocketType::Stream, ProtocolType::Ip);
-    IpEndPoint ipEndPoint(A_ROOT_SERVER_NET, DNS_PORT);
+    IpEndPoint ipEndPoint(hostName, portNumber);
     char *message = "00000001";
     bool expected = 1;
     bool actual = instance.Send(message);
@@ -65,8 +75,11 @@ BOOST_AUTO_TEST_CASE(Send)
 
 BOOST_AUTO_TEST_CASE(Receive)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     Socket instance(AddressFamiliy::InterNetwork, SocketType::Stream, ProtocolType::Ip);
-    IpEndPoint ipEndPoint(A_ROOT_SERVER_NET, DNS_PORT);
+    IpEndPoint ipEndPoint(hostName, portNumber);
     char *message = "00000001";
     instance.Send(message);
     bool expected = 1;
@@ -78,8 +91,11 @@ BOOST_AUTO_TEST_CASE(Receive)
 
 BOOST_AUTO_TEST_CASE(Id)
 {
+    char *hostName = REMOTE_IP_ADDRESS;
+    int portNumber = REMOTE_PORT;
+
     Socket instance(AddressFamiliy::InterNetwork, SocketType::Stream, ProtocolType::Ip);
-    IpEndPoint ipEndPoint(A_ROOT_SERVER_NET, DNS_PORT);
+    IpEndPoint ipEndPoint(hostName, portNumber);
 
     bool expected = 1;
     bool actual = instance.Id();