diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..51b50a0
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 100
\ No newline at end of file
diff --git a/.github/workflows/github-actions-ci.yml b/.github/workflows/github-actions-ci.yml
index ede2434..1bb234d 100644
--- a/.github/workflows/github-actions-ci.yml
+++ b/.github/workflows/github-actions-ci.yml
@@ -16,8 +16,8 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
-      - name: Build Image
-        run: make ci-build
+      - name: Build Dev Image
+        run: make ci-build-dev
       - name: Linting
         run: make ci-lint
       - name: Unit Test
diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..df2df48
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,6 @@
+[MESSAGES CONTROL]
+disable=
+    missing-docstring,
+    too-few-public-methods,
+    too-many-arguments,
+    too-many-public-methods
diff --git a/Dockerfile b/Dockerfile
index f8e3cfb..15abdaf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 FROM python:3.8-slim
+ARG install_dev=n
 
 COPY requirements.build.txt ./
 RUN pip install --disable-pip-version-check \
@@ -8,7 +9,17 @@ COPY requirements.txt ./
 RUN pip install --disable-pip-version-check \
     -r requirements.txt
 
+COPY requirements.dev.txt ./
+RUN if [ "${install_dev}" = "y" ]; then \
+    pip install --disable-pip-version-check --user \
+        -r requirements.txt \
+        -r requirements.dev.txt; \
+    fi
+
 COPY spacy_keyword_extraction_api ./spacy_keyword_extraction_api
 COPY static ./static
+COPY tests ./tests
+
+COPY .flake8 .pylintrc ./
 
 CMD ["python3", "-m", "uvicorn", "spacy_keyword_extraction_api.main:create_app", "--factory", "--host", "0.0.0.0", "--port", "8000"]
diff --git a/Makefile b/Makefile
index 2ad4404..851deb0 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,29 @@ DOCKER_COMPOSE = $(DOCKER_COMPOSE_DEV)
 build:
 	$(DOCKER_COMPOSE) build spacy-keyword-extraction-api
 
+build-dev:
+	$(DOCKER_COMPOSE) build spacy-keyword-extraction-api-dev
+
+flake8:
+	$(DOCKER_COMPOSE) run --rm spacy-keyword-extraction-api-dev \
+		python -m flake8 spacy_keyword_extraction_api tests
+
+pylint:
+	$(DOCKER_COMPOSE) run --rm spacy-keyword-extraction-api-dev \
+		python -m pylint spacy_keyword_extraction_api tests
+
+mypy:
+	$(DOCKER_COMPOSE) run --rm spacy-keyword-extraction-api-dev \
+		python -m mypy spacy_keyword_extraction_api tests
+
+lint: flake8 pylint mypy
+
+pytest:
+	$(DOCKER_COMPOSE) run --rm spacy-keyword-extraction-api-dev \
+		python -m pytest spacy_keyword_extraction_api tests
+
+test: lint pytest
+
 
 start:
 	$(DOCKER_COMPOSE) up -d spacy-keyword-extraction-api
@@ -22,8 +45,11 @@ logs:
 ci-build:
 	$(MAKE) DOCKER_COMPOSE="$(DOCKER_COMPOSE_CI)" build
 
+ci-build-dev:
+	$(MAKE) DOCKER_COMPOSE="$(DOCKER_COMPOSE_CI)" build-dev
+
 ci-lint:
-	echo "Dummy lint"
+	$(MAKE) DOCKER_COMPOSE="$(DOCKER_COMPOSE_CI)" lint
 
 ci-unittest:
-	echo "Dummy unittest"
+	$(MAKE) DOCKER_COMPOSE="$(DOCKER_COMPOSE_CI)" pytest
diff --git a/docker-compose.yml b/docker-compose.yml
index 07b3a64..07d9439 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,3 +4,13 @@ services:
             context: .
             dockerfile: Dockerfile
         image: ${IMAGE_REPO}:${IMAGE_TAG}
+
+    spacy-keyword-extraction-api-dev:
+        build:
+            context: .
+            dockerfile: Dockerfile
+            args:
+                install_dev: y
+        image:  ${IMAGE_REPO}-dev:${IMAGE_TAG}
+        command: /bin/sh -c exit 0
+        entrypoint: []
diff --git a/requirements.dev.txt b/requirements.dev.txt
new file mode 100644
index 0000000..2d4b04b
--- /dev/null
+++ b/requirements.dev.txt
@@ -0,0 +1,4 @@
+flake8==7.1.1
+pylint==3.2.7
+pytest==8.3.3
+mypy==1.11.2
diff --git a/tests/unit_test/__init__.py b/tests/unit_test/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/unit_test/main_test.py b/tests/unit_test/main_test.py
new file mode 100644
index 0000000..95a65da
--- /dev/null
+++ b/tests/unit_test/main_test.py
@@ -0,0 +1,9 @@
+from fastapi.testclient import TestClient
+
+from spacy_keyword_extraction_api.main import create_app
+
+
+def test_read_main():
+    client = TestClient(create_app())
+    response = client.get("/")
+    assert response.status_code == 200