diff --git a/.gitignore b/.gitignore
index 677be11..9a5b3fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,9 +31,6 @@ debian/copyright
 
 # Substituting
 src/codeplag/consts.py
-docker/base_ubuntu2204.dockerfile
-docker/test_ubuntu2204.dockerfile
-docker/ubuntu2204.dockerfile
 
 # Translation
 locales/**/*.mo
diff --git a/Makefile b/Makefile
index 312048a..64531e5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,11 @@
-UTIL_VERSION            := 0.5.16
+UTIL_VERSION            := 0.5.17
 UTIL_NAME               := codeplag
 PWD                     := $(shell pwd)
 
 USER_UID                ?= $(shell id --user)
 USER_GID                ?= $(shell id --group)
 
-BASE_DOCKER_VERSION     := 1.2
+BASE_DOCKER_VERSION     := 1.3
 DIST                    := ubuntu22.04
 BASE_DOCKER_TAG         := $(shell echo $(UTIL_NAME)-base-${DIST}:$(BASE_DOCKER_VERSION))
 TEST_DOCKER_TAG         := $(shell echo $(UTIL_NAME)-test-${DIST}:$(UTIL_VERSION))
@@ -29,9 +29,6 @@ DEBIAN_SUB_FILES        := ${DEBIAN_PATH}/changelog \
                            ${DEBIAN_PATH}/control \
                            ${DEBIAN_PATH}/preinst \
                            ${DEBIAN_PATH}/copyright
-DOCKER_SUB_FILES        := docker/base_ubuntu2204.dockerfile \
-                           docker/test_ubuntu2204.dockerfile \
-                           docker/ubuntu2204.dockerfile
 
 PYTHON_REQUIRED_LIBS    := $(shell python3 setup.py --install-requirements)
 PYTHON_BUILD_LIBS       := $(shell python3 setup.py --build-requirements)
@@ -51,13 +48,10 @@ substitute = @sed \
 		-e "s|@CODEPLAG_LOG_PATH@|${CODEPLAG_LOG_PATH}|g" \
 		-e "s|@DEVEL_SUFFIX@|${DEVEL_SUFFIX}|g" \
 		-e "s|@PYTHON_REQUIRED_LIBS@|${PYTHON_REQUIRED_LIBS}|g" \
-		-e "s|@PYTHON_BUILD_LIBS@|${PYTHON_BUILD_LIBS}|g" \
-		-e "s|@PYTHON_TEST_LIBS@|${PYTHON_TEST_LIBS}|g" \
 		-e "s|@DIST@|${DIST}|g" \
 		-e "s|@LOGS_PATH@|${LOGS_PATH}|g" \
 		-e "s|@LIB_PATH@|${LIB_PATH}|g" \
 		-e "s|@CONFIG_PATH@|${CONFIG_PATH}|g" \
-		-e "s|@BASE_DOCKER_TAG@|${BASE_DOCKER_TAG}|g" \
 		-e "s|@DEBIAN_PACKAGES_PATH@|${DEBIAN_PACKAGES_PATH}|g" \
 		-e "s|@DEB_PKG_NAME@|${DEB_PKG_NAME}|g" \
 		$(1) > $(2) \
@@ -165,8 +159,6 @@ clean: clean-cache
 clean-all: clean
 	rm --force src/$(UTIL_NAME)/consts.py
 
-	rm --force docker/*.dockerfile
-
 	rm --force --recursive $(DEBIAN_PACKAGES_PATH)
 	rm --force ${DEBIAN_PATH}/changelog
 	rm --force ${DEBIAN_PATH}/control
diff --git a/docker/base_ubuntu2204.dockerfile.in b/docker/base_ubuntu2204.dockerfile
similarity index 82%
rename from docker/base_ubuntu2204.dockerfile.in
rename to docker/base_ubuntu2204.dockerfile
index 2990070..2e10fa9 100644
--- a/docker/base_ubuntu2204.dockerfile.in
+++ b/docker/base_ubuntu2204.dockerfile
@@ -1,5 +1,8 @@
 FROM ubuntu:22.04
 
+ARG PYTHON_REQUIRED_LIBS
+ARG UTIL_NAME
+
 # Remove diverted man binary to prevent man-pages being replaced with "minimized" message.
 RUN if  [ "$(dpkg-divert --truename /usr/bin/man)" = "/usr/bin/man.REAL" ]; then \
         rm -f /usr/bin/man; \
@@ -12,7 +15,7 @@ RUN apt-get install -y clang libncurses5
 RUN apt-get install -y man
 RUN apt-get install -y vim nano less
 
-RUN pip3 install @PYTHON_REQUIRED_LIBS@
+RUN pip3 install $PYTHON_REQUIRED_LIBS
 
 VOLUME /usr/src/works
-WORKDIR /usr/src/@UTIL_NAME@
+WORKDIR /usr/src/$UTIL_NAME
diff --git a/docker/docker.mk b/docker/docker.mk
index 90f4b18..212618c 100644
--- a/docker/docker.mk
+++ b/docker/docker.mk
@@ -18,6 +18,8 @@ docker-base-image: substitute-sources substitute-docker
 		export DOCKER_BUILDKIT=1 && \
 		docker image build \
 			--tag "$(BASE_DOCKER_TAG)" \
+			--build-arg PYTHON_REQUIRED_LIBS="$(PYTHON_REQUIRED_LIBS)" \
+			--build-arg UTIL_NAME="$(UTIL_NAME)" \
 			--file docker/base_ubuntu2204.dockerfile \
 			. \
 	)
@@ -26,6 +28,11 @@ docker-test-image: docker-base-image
 	@docker image inspect $(TEST_DOCKER_TAG) > /dev/null 2>&1 || \
 	docker image build \
 		--tag  "$(TEST_DOCKER_TAG)" \
+		--build-arg BASE_DOCKER_TAG="$(BASE_DOCKER_TAG)" \
+		--build-arg PYTHON_TEST_LIBS="$(PYTHON_TEST_LIBS)" \
+		--build-arg PYTHON_BUILD_LIBS="$(PYTHON_BUILD_LIBS)" \
+		--build-arg LOGS_PATH="$(LOGS_PATH)" \
+		--build-arg UTIL_NAME="$(UTIL_NAME)" \
 		--file docker/test_ubuntu2204.dockerfile \
 		.
 
@@ -67,6 +74,10 @@ docker-image: docker-base-image docker-test-image
 		make docker-build-package && \
 		docker image build \
 			--tag  "$(DOCKER_TAG)" \
+			--build-arg BASE_DOCKER_TAG="$(BASE_DOCKER_TAG)" \
+			--build-arg UTIL_NAME="$(UTIL_NAME)" \
+			--build-arg DEBIAN_PACKAGES_PATH="$(DEBIAN_PACKAGES_PATH)" \
+			--build-arg DEB_PKG_NAME="$(DEB_PKG_NAME)" \
 			--file docker/ubuntu2204.dockerfile \
 			. \
 	)
diff --git a/docker/test_ubuntu2204.dockerfile b/docker/test_ubuntu2204.dockerfile
new file mode 100644
index 0000000..2d41f03
--- /dev/null
+++ b/docker/test_ubuntu2204.dockerfile
@@ -0,0 +1,27 @@
+ARG BASE_DOCKER_TAG
+FROM $BASE_DOCKER_TAG
+
+ARG PYTHON_TEST_LIBS
+ARG PYTHON_BUILD_LIBS
+ARG LOGS_PATH
+ARG UTIL_NAME
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update
+RUN apt-get install -y debhelper
+RUN pip3 install $PYTHON_TEST_LIBS $PYTHON_BUILD_LIBS
+RUN mkdir -p $LOGS_PATH
+
+# TODO: Move to middle docker file or make another solution
+ADD setup.py /usr/src/$UTIL_NAME/setup.py
+ADD pyproject.toml /usr/src/$UTIL_NAME/pyproject.toml
+ADD src/ /usr/src/$UTIL_NAME/src
+ADD README.md /usr/src/$UTIL_NAME/README.md
+ADD LICENSE /usr/src/$UTIL_NAME/LICENSE
+ADD Makefile /usr/src/$UTIL_NAME/Makefile
+ADD locales/ /usr/src/$UTIL_NAME/locales
+ADD docker/docker.mk /usr/src/$UTIL_NAME/docker/docker.mk
+ADD debian/ /usr/src/$UTIL_NAME/debian
+
+CMD make test
diff --git a/docker/test_ubuntu2204.dockerfile.in b/docker/test_ubuntu2204.dockerfile.in
deleted file mode 100644
index 38f3c29..0000000
--- a/docker/test_ubuntu2204.dockerfile.in
+++ /dev/null
@@ -1,21 +0,0 @@
-FROM @BASE_DOCKER_TAG@
-
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt-get update
-RUN apt-get install -y debhelper
-RUN pip3 install @PYTHON_TEST_LIBS@ @PYTHON_BUILD_LIBS@
-RUN mkdir -p @LOGS_PATH@
-
-# TODO: Move to middle docker file or make another solution
-ADD setup.py /usr/src/@UTIL_NAME@/setup.py
-ADD pyproject.toml /usr/src/@UTIL_NAME@/pyproject.toml
-ADD src/ /usr/src/@UTIL_NAME@/src
-ADD README.md /usr/src/@UTIL_NAME@/README.md
-ADD LICENSE /usr/src/@UTIL_NAME@/LICENSE
-ADD Makefile /usr/src/@UTIL_NAME@/Makefile
-ADD locales/ /usr/src/@UTIL_NAME@/locales
-ADD docker/docker.mk /usr/src/@UTIL_NAME@/docker/docker.mk
-ADD debian/ /usr/src/@UTIL_NAME@/debian
-
-CMD make test
diff --git a/docker/ubuntu2204.dockerfile b/docker/ubuntu2204.dockerfile
new file mode 100644
index 0000000..ebec565
--- /dev/null
+++ b/docker/ubuntu2204.dockerfile
@@ -0,0 +1,18 @@
+ARG BASE_DOCKER_TAG
+FROM $BASE_DOCKER_TAG
+
+ARG UTIL_NAME
+ARG DEBIAN_PACKAGES_PATH
+ARG DEB_PKG_NAME
+
+ADD LICENSE /usr/src/$UTIL_NAME/LICENSE
+ADD $DEBIAN_PACKAGES_PATH /usr/src/$UTIL_NAME/$DEBIAN_PACKAGES_PATH
+
+RUN apt-get install -y /usr/src/$UTIL_NAME/$DEBIAN_PACKAGES_PATH/$DEB_PKG_NAME.deb
+# TODO: Fix this hook. apt-get don't install manpage into image.
+RUN install -D -m 0644 $DEBIAN_PACKAGES_PATH/$UTIL_NAME.1 /usr/share/man/man1/
+RUN rm --recursive /usr/src/$UTIL_NAME/debian
+
+RUN register-python-argcomplete $UTIL_NAME >> ~/.bashrc
+
+CMD ["/bin/bash"]
diff --git a/docker/ubuntu2204.dockerfile.in b/docker/ubuntu2204.dockerfile.in
deleted file mode 100644
index eab87a1..0000000
--- a/docker/ubuntu2204.dockerfile.in
+++ /dev/null
@@ -1,21 +0,0 @@
-FROM @BASE_DOCKER_TAG@
-
-# TODO: Move to middle docker file or make another solution
-ADD setup.py /usr/src/@UTIL_NAME@/setup.py
-ADD pyproject.toml /usr/src/@UTIL_NAME@/pyproject.toml
-ADD src/ /usr/src/@UTIL_NAME@/src
-ADD README.md /usr/src/@UTIL_NAME@/README.md
-ADD LICENSE /usr/src/@UTIL_NAME@/LICENSE
-ADD Makefile /usr/src/@UTIL_NAME@/Makefile
-ADD locales/i18n.mk /usr/src/@UTIL_NAME@/locales/i18n.mk
-ADD docker/docker.mk /usr/src/@UTIL_NAME@/docker/docker.mk
-ADD @DEBIAN_PACKAGES_PATH@ /usr/src/@UTIL_NAME@/@DEBIAN_PACKAGES_PATH@
-
-RUN apt-get install -y /usr/src/@UTIL_NAME@/@DEBIAN_PACKAGES_PATH@/@DEB_PKG_NAME@.deb
-# TODO: Fix this hook. apt-get don't install manpage into image.
-RUN install -D -m 0644 @DEBIAN_PACKAGES_PATH@/@UTIL_NAME@.1 /usr/share/man/man1/
-RUN rm --recursive /usr/src/@UTIL_NAME@/debian
-
-RUN register-python-argcomplete @UTIL_NAME@ >> ~/.bashrc
-
-CMD ["/bin/bash"]
diff --git a/src/codeplag/types.py b/src/codeplag/types.py
index c036889..9d8b607 100644
--- a/src/codeplag/types.py
+++ b/src/codeplag/types.py
@@ -144,6 +144,7 @@ class ExitCode(IntEnum):
     EXIT_KEYBOARD = 1
     EXIT_INVAL = 3
     EXIT_UNKNOWN = 5
+    # Exit codes that are 200 or greater are auxiliary codes.
     EXIT_FOUND_SIM = 200