Add healthcheck

app/main.py

@@ -67,6 +67,11 @@ async def convert(
     )
 
 
+@router.get("/healthcheck")
+async def healthcheck():
+    return "Ok!"
+
+
 app = FastAPI()
 
 app.include_router(router)

docker/build.dockerfile

@@ -33,6 +33,7 @@ ENV PATH="$VENV_PATH/bin:$PATH"
 
 COPY --from=build-image /root/fb2converter/ /app/bin/
 COPY --from=build-image $VENV_PATH $VENV_PATH
+COPY ./scripts/healthcheck.py /root/healthcheck.py
 
 EXPOSE 8080
 

poetry.lock

@@ -34,6 +34,25 @@ python-versions = ">=3.6"
 [package.extras]
 tests = ["pytest", "pytest-asyncio", "mypy (>=0.800)"]
 
+[[package]]
+name = "certifi"
+version = "2021.10.8"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "charset-normalizer"
+version = "2.0.11"
+description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
+category = "main"
+optional = false
+python-versions = ">=3.5.0"
+
+[package.extras]
+unicode_backport = ["unicodedata2"]
+
 [[package]]
 name = "click"
 version = "8.0.3"
@@ -79,6 +98,45 @@ category = "main"
 optional = false
 python-versions = ">=3.6"
 
+[[package]]
+name = "httpcore"
+version = "0.14.7"
+description = "A minimal low-level HTTP client."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+anyio = ">=3.0.0,<4.0.0"
+certifi = "*"
+h11 = ">=0.11,<0.13"
+sniffio = ">=1.0.0,<2.0.0"
+
+[package.extras]
+http2 = ["h2 (>=3,<5)"]
+socks = ["socksio (>=1.0.0,<2.0.0)"]
+
+[[package]]
+name = "httpx"
+version = "0.22.0"
+description = "The next generation HTTP client."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+certifi = "*"
+charset-normalizer = "*"
+httpcore = ">=0.14.5,<0.15.0"
+rfc3986 = {version = ">=1.3,<2", extras = ["idna2008"]}
+sniffio = "*"
+
+[package.extras]
+brotli = ["brotlicffi", "brotli"]
+cli = ["click (>=8.0.0,<9.0.0)", "rich (>=10.0.0,<11.0.0)", "pygments (>=2.0.0,<3.0.0)"]
+http2 = ["h2 (>=3,<5)"]
+socks = ["socksio (>=1.0.0,<2.0.0)"]
+
 [[package]]
 name = "idna"
 version = "3.3"
@@ -113,6 +171,20 @@ python-versions = "*"
 [package.dependencies]
 six = ">=1.4.0"
 
+[[package]]
+name = "rfc3986"
+version = "1.5.0"
+description = "Validating URI References per RFC 3986"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+idna = {version = "*", optional = true, markers = "extra == \"idna2008\""}
+
+[package.extras]
+idna2008 = ["idna"]
+
 [[package]]
 name = "six"
 version = "1.16.0"
@@ -170,7 +242,7 @@ standard = ["httptools (>=0.2.0,<0.4.0)", "watchgod (>=0.6)", "python-dotenv (>=
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "cba6006aa6b8ea025ccecdcce2bad8402681461daeb25223d467b872d6cb4362"
+content-hash = "c514dd3f0502ce4cc55b6963eb9033b5f4c57bd7ddec0cc12687a4f39756ff01"
 
 [metadata.files]
 aiofiles = [
@@ -185,6 +257,14 @@ asgiref = [
     {file = "asgiref-3.4.1-py3-none-any.whl", hash = "sha256:ffc141aa908e6f175673e7b1b3b7af4fdb0ecb738fc5c8b88f69f055c2415214"},
     {file = "asgiref-3.4.1.tar.gz", hash = "sha256:4ef1ab46b484e3c706329cedeff284a5d40824200638503f5768edb6de7d58e9"},
 ]
+certifi = [
+    {file = "certifi-2021.10.8-py2.py3-none-any.whl", hash = "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"},
+    {file = "certifi-2021.10.8.tar.gz", hash = "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872"},
+]
+charset-normalizer = [
+    {file = "charset-normalizer-2.0.11.tar.gz", hash = "sha256:98398a9d69ee80548c762ba991a4728bfc3836768ed226b3945908d1a688371c"},
+    {file = "charset_normalizer-2.0.11-py3-none-any.whl", hash = "sha256:2842d8f5e82a1f6aa437380934d5e1cd4fcf2003b06fed6940769c164a480a45"},
+]
 click = [
     {file = "click-8.0.3-py3-none-any.whl", hash = "sha256:353f466495adaeb40b6b5f592f9f91cb22372351c84caeb068132442a4518ef3"},
     {file = "click-8.0.3.tar.gz", hash = "sha256:410e932b050f5eed773c4cda94de75971c89cdb3155a72a0831139a79e5ecb5b"},
@@ -201,6 +281,14 @@ h11 = [
     {file = "h11-0.12.0-py3-none-any.whl", hash = "sha256:36a3cb8c0a032f56e2da7084577878a035d3b61d104230d4bd49c0c6b555a9c6"},
     {file = "h11-0.12.0.tar.gz", hash = "sha256:47222cb6067e4a307d535814917cd98fd0a57b6788ce715755fa2b6c28b56042"},
 ]
+httpcore = [
+    {file = "httpcore-0.14.7-py3-none-any.whl", hash = "sha256:47d772f754359e56dd9d892d9593b6f9870a37aeb8ba51e9a88b09b3d68cfade"},
+    {file = "httpcore-0.14.7.tar.gz", hash = "sha256:7503ec1c0f559066e7e39bc4003fd2ce023d01cf51793e3c173b864eb456ead1"},
+]
+httpx = [
+    {file = "httpx-0.22.0-py3-none-any.whl", hash = "sha256:e35e83d1d2b9b2a609ef367cc4c1e66fd80b750348b20cc9e19d1952fc2ca3f6"},
+    {file = "httpx-0.22.0.tar.gz", hash = "sha256:d8e778f76d9bbd46af49e7f062467e3157a5a3d2ae4876a4bbfd8a51ed9c9cb4"},
+]
 idna = [
     {file = "idna-3.3-py3-none-any.whl", hash = "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff"},
     {file = "idna-3.3.tar.gz", hash = "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"},
@@ -245,6 +333,10 @@ pydantic = [
 python-multipart = [
     {file = "python-multipart-0.0.5.tar.gz", hash = "sha256:f7bb5f611fc600d15fa47b3974c8aa16e93724513b49b5f95c81e6624c83fa43"},
 ]
+rfc3986 = [
+    {file = "rfc3986-1.5.0-py2.py3-none-any.whl", hash = "sha256:a86d6e1f5b1dc238b218b012df0aa79409667bb209e58da56d0b94704e712a97"},
+    {file = "rfc3986-1.5.0.tar.gz", hash = "sha256:270aaf10d87d0d4e095063c65bf3ddbc6ee3d0b226328ce21e036f946e421835"},
+]
 six = [
     {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
     {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},

pyproject.toml

@@ -10,6 +10,7 @@ fastapi = "^0.70.1"
 python-multipart = "^0.0.5"
 aiofiles = "^0.8.0"
 uvicorn = {extras = ["standart"], version = "^0.16.0"}
+httpx = "^0.22.0"
 
 [tool.poetry.dev-dependencies]
 

scripts/healthcheck.py

@@ -0,0 +1,8 @@
+import httpx
+
+
+response = httpx.get(
+    "http://localhost:8080/healthcheck",
+)
+print(f"HEALTHCHECK STATUS: {response.status_code}")
+exit(0 if response.status_code == 200 else 1)