diff --git a/Makefile b/Makefile
index 8d864e914aa2..aa3492561cb2 100644
--- a/Makefile
+++ b/Makefile
@@ -35,10 +35,14 @@ SLAVE_IMAGE = sonic-slave-$(USER)
 DOCKER_RUN := docker run --rm=true --privileged \
     -v $(PWD):/sonic \
     -w /sonic \
+    -e "http_proxy=$(http_proxy)" \
+    -e "https_proxy=$(https_proxy)" \
     -i$(if $(TERM),t,)
 
 DOCKER_BASE_BUILD = docker build --no-cache \
 		    -t $(SLAVE_BASE_IMAGE) \
+		    --build-arg http_proxy=$(http_proxy) \
+		    --build-arg https_proxy=$(https_proxy) \
 		    sonic-slave && \
 		    docker tag $(SLAVE_BASE_IMAGE):latest $(SLAVE_BASE_IMAGE):$(SLAVE_BASE_TAG)
 
@@ -61,7 +65,9 @@ SONIC_BUILD_INSTRUCTION :=  make \
                            ENABLE_SYNCD_RPC=$(ENABLE_SYNCD_RPC) \
                            PASSWORD=$(PASSWORD) \
                            USERNAME=$(USERNAME) \
-                           SONIC_BUILD_JOBS=$(SONIC_BUILD_JOBS)
+                           SONIC_BUILD_JOBS=$(SONIC_BUILD_JOBS) \
+                           HTTP_PROXY=$(http_proxy) \
+                           HTTPS_PROXY=$(https_proxy)
 
 .PHONY: sonic-slave-build sonic-slave-bash init reset
 
diff --git a/README.md b/README.md
index 0a361e38abec..ea721a48e9ec 100644
--- a/README.md
+++ b/README.md
@@ -44,8 +44,11 @@ To build SONiC installer image and docker images, run the following commands:
 
     make
 
- **NOTE**: We recommend reserving 50G free space to build one platform.
-    
+ **NOTE**:
+
+- We recommend reserving 50G free space to build one platform.
+- Use ```http_proxy=[your_proxy] https_proxy=[your_proxy] make``` to enable http(s) proxy in the build process.
+
 The SONiC installer contains all docker images needed. SONiC uses one image for all devices of a same ASIC vendor. The supported ASIC vendors are:
 
 - PLATFORM=broadcom
diff --git a/build_debian.sh b/build_debian.sh
index 15bde44c112e..1aaa660eefda 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -68,7 +68,7 @@ touch $FILESYSTEM_ROOT/$PLATFORM_DIR/firsttime
 
 ## Build a basic Debian system by debootstrap
 echo '[INFO] Debootstrap...'
-sudo debootstrap --variant=minbase --arch amd64 jessie $FILESYSTEM_ROOT http://ftp.us.debian.org/debian
+sudo http_proxy=$http_proxy debootstrap --variant=minbase --arch amd64 jessie $FILESYSTEM_ROOT http://ftp.us.debian.org/debian
 
 ## Config hostname and hosts, otherwise 'sudo ...' will complain 'sudo: unable to resolve host ...'
 sudo LANG=C chroot $FILESYSTEM_ROOT /bin/bash -c "echo '$HOSTNAME' > /etc/hostname"
@@ -79,6 +79,9 @@ sudo LANG=C chroot $FILESYSTEM_ROOT /bin/bash -c "echo '127.0.0.1       localhos
 sudo LANG=C chroot $FILESYSTEM_ROOT /bin/bash -c 'echo "proc /proc proc defaults 0 0" >> /etc/fstab'
 sudo LANG=C chroot $FILESYSTEM_ROOT /bin/bash -c 'echo "sysfs /sys sysfs defaults 0 0" >> /etc/fstab'
 
+## Setup proxy
+[ -n "$http_proxy" ] && sudo /bin/bash -c "echo 'Acquire::http::Proxy \"$http_proxy\";' > $FILESYSTEM_ROOT/etc/apt/apt.conf.d/01proxy"
+
 ## Note: mounting is necessary to makedev and install linux image
 echo '[INFO] Mount all'
 ## Output all the mounted device for troubleshooting
@@ -290,8 +293,8 @@ set /files/etc/sysctl.conf/net.core.rmem_max 2097152
 " -r $FILESYSTEM_ROOT
 
 ## docker-py is needed by Ansible docker module
-sudo LANG=C chroot $FILESYSTEM_ROOT easy_install pip
-sudo LANG=C chroot $FILESYSTEM_ROOT pip install 'docker-py==1.6.0'
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT easy_install pip
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install 'docker-py==1.6.0'
 ## Note: keep pip installed for maintainance purpose
 
 ## Create /var/run/redis folder for docker-database to mount
@@ -342,6 +345,9 @@ sudo LANG=C chroot $FILESYSTEM_ROOT apt-get autoclean
 sudo LANG=C chroot $FILESYSTEM_ROOT apt-get clean
 sudo LANG=C chroot $FILESYSTEM_ROOT bash -c 'rm -rf /usr/share/doc/* /usr/share/locale/* /var/lib/apt/lists/* /tmp/*'
 
+## Clean up proxy
+[ -n "$http_proxy" ] && sudo rm -f $FILESYSTEM_ROOT/etc/apt/apt.conf.d/01proxy
+
 ## Umount all
 echo '[INFO] Umount all'
 ## Display all process details access /proc
diff --git a/files/build_templates/sonic_debian_extension.j2 b/files/build_templates/sonic_debian_extension.j2
index 7de8f8597917..bf603d249d95 100644
--- a/files/build_templates/sonic_debian_extension.j2
+++ b/files/build_templates/sonic_debian_extension.j2
@@ -64,17 +64,17 @@ sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y in
 # Install SONiC config engine Python package
 CONFIG_ENGINE_WHEEL_NAME=$(basename {{config_engine_wheel_path}})
 sudo cp {{config_engine_wheel_path}} $FILESYSTEM_ROOT/$CONFIG_ENGINE_WHEEL_NAME
-sudo LANG=C chroot $FILESYSTEM_ROOT pip install $CONFIG_ENGINE_WHEEL_NAME
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install $CONFIG_ENGINE_WHEEL_NAME
 sudo rm -rf $FILESYSTEM_ROOT/$CONFIG_ENGINE_WHEEL_NAME
 
 # Install Python client for Redis
-sudo LANG=C chroot $FILESYSTEM_ROOT pip install redis
-sudo LANG=C chroot $FILESYSTEM_ROOT pip install redis-dump-load
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install redis
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install redis-dump-load
 
 # Install SwSS SDK Python 2 package
 SWSSSDK_PY2_WHEEL_NAME=$(basename {{swsssdk_py2_wheel_path}})
 sudo cp {{swsssdk_py2_wheel_path}} $FILESYSTEM_ROOT/$SWSSSDK_PY2_WHEEL_NAME
-sudo LANG=C chroot $FILESYSTEM_ROOT pip install $SWSSSDK_PY2_WHEEL_NAME
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip install $SWSSSDK_PY2_WHEEL_NAME
 sudo rm -rf $FILESYSTEM_ROOT/$SWSSSDK_PY2_WHEEL_NAME
 
 # Install SONiC Utilities (and its dependencies via 'apt-get -y install -f')
diff --git a/slave.mk b/slave.mk
index 18d870d50560..425ba4c41d82 100644
--- a/slave.mk
+++ b/slave.mk
@@ -100,6 +100,8 @@ $(info "SONIC_CONFIG_DEBUG"              : "$(SONIC_CONFIG_DEBUG)")
 $(info "ROUTING_STACK"                   : "$(SONIC_ROUTING_STACK)")
 $(info "ENABLE_SYNCD_RPC"                : "$(ENABLE_SYNCD_RPC)")
 $(info "ENABLE_ORGANIZATION_EXTENSIONS"  : "$(ENABLE_ORGANIZATION_EXTENSIONS)")
+$(info "HTTP_PROXY"                      : "$(HTTP_PROXY)")
+$(info "HTTPS_PROXY"                     : "$(HTTPS_PROXY)")
 $(info )
 
 ###############################################################################
@@ -329,7 +331,7 @@ $(SONIC_INSTALL_WHEELS) : $(PYTHON_WHEELS_PATH)/%-install : .platform $$(addsuff
 	# put a lock here to avoid race conditions
 	while true; do
 	if mkdir $(PYTHON_WHEELS_PATH)/pip_lock &> /dev/null; then
-	{ sudo pip$($*_PYTHON_VERSION) install $(PYTHON_WHEELS_PATH)/$* $(LOG) && rm -d $(PYTHON_WHEELS_PATH)/pip_lock && break; } || { rm -d $(PYTHON_WHEELS_PATH)/pip_lock && exit 1 ; }
+	{ sudo -E pip$($*_PYTHON_VERSION) install $(PYTHON_WHEELS_PATH)/$* $(LOG) && rm -d $(PYTHON_WHEELS_PATH)/pip_lock && break; } || { rm -d $(PYTHON_WHEELS_PATH)/pip_lock && exit 1 ; }
 	fi
 	done
 	$(FOOTER)
@@ -340,12 +342,20 @@ $(SONIC_INSTALL_WHEELS) : $(PYTHON_WHEELS_PATH)/%-install : .platform $$(addsuff
 
 # start docker daemon
 docker-start :
+	@sudo sed -i '/http_proxy/d' /etc/default/docker
+	@sudo bash -c "echo \"export http_proxy=$$http_proxy\" >> /etc/default/docker"
 	@sudo service docker status &> /dev/null || ( sudo service docker start &> /dev/null && sleep 1 )
 
 # targets for building simple docker images that do not depend on any debian packages
 $(addprefix $(TARGET_PATH)/, $(SONIC_SIMPLE_DOCKER_IMAGES)) : $(TARGET_PATH)/%.gz : .platform docker-start $$(addsuffix -load,$$(addprefix $(TARGET_PATH)/,$$($$*.gz_LOAD_DOCKERS)))
 	$(HEADER)
-	docker build --squash --no-cache --build-arg user=$(USER) --build-arg uid=$(UID) --build-arg guid=$(GUID) -t $* $($*.gz_PATH) $(LOG)
+	docker build --squash --no-cache \
+		--build-arg http_proxy=$(HTTP_PROXY) \
+		--build-arg https_proxy=$(HTTPS_PROXY) \
+		--build-arg user=$(USER) \
+		--build-arg uid=$(UID) \
+		--build-arg guid=$(GUID) \
+		-t $* $($*.gz_PATH) $(LOG)
 	docker save $* | gzip -c > $@
 	$(FOOTER)
 
@@ -365,7 +375,13 @@ $(addprefix $(TARGET_PATH)/, $(SONIC_DOCKER_IMAGES)) : $(TARGET_PATH)/%.gz : .pl
 	$(eval export $(subst -,_,$(notdir $($*.gz_PATH)))_whls=$(shell printf "$(subst $(SPACE),\n,$(call expand,$($*.gz_PYTHON_WHEELS)))\n" | awk '!a[$$0]++'))
 	$(eval export $(subst -,_,$(notdir $($*.gz_PATH)))_dbgs=$(shell printf "$(subst $(SPACE),\n,$(call expand,$($*.gz_DBG_PACKAGES)))\n" | awk '!a[$$0]++'))
 	j2 $($*.gz_PATH)/Dockerfile.j2 > $($*.gz_PATH)/Dockerfile
-	docker build --squash --no-cache --build-arg user=$(USER) --build-arg uid=$(UID) --build-arg guid=$(GUID) -t $* $($*.gz_PATH) $(LOG)
+	docker build --squash --no-cache \
+		--build-arg http_proxy=$(HTTP_PROXY) \
+		--build-arg https_proxy=$(HTTPS_PROXY) \
+		--build-arg user=$(USER) \
+		--build-arg uid=$(UID) \
+		--build-arg guid=$(GUID) \
+		-t $* $($*.gz_PATH) $(LOG)
 	docker save $* | gzip -c > $@
 	$(FOOTER)