reduced Docker image size

Dockerfile

@@ -9,10 +9,10 @@ RUN adduser -D luser
 USER luser
 WORKDIR /home/luser
 COPY --chown=luser:users ./requirements-dev.txt ./requirements-dev.txt
-COPY --chown=luser:users ./requirements-dev.txt ./requirements-run.txt
+COPY --chown=luser:users ./requirements-run.txt ./requirements-run.txt
 WORKDIR /home/luser/
 RUN python -m venv .venv
-RUN --mount=type=cache,target=/home/luser/.cache/pip,uid=1000,gid=1000 .venv/bin/pip wheel -w /home/luser/wheel -r requirements-dev.txt pygraphviz
+RUN --mount=type=cache,target=/home/luser/.cache/pip,uid=1000,gid=1000 .venv/bin/pip wheel -w /home/luser/wheel pygraphviz
 RUN --mount=type=cache,target=/home/luser/.cache/pip,uid=1000,gid=1000 .venv/bin/pip install -r requirements-dev.txt /home/luser/wheel/*.whl
 COPY --chown=luser:users . /home/luser/bugis
 WORKDIR /home/luser/bugis
@@ -21,12 +21,12 @@ RUN --mount=type=cache,target=/home/luser/.cache/pip,uid=1000,gid=1000 /home/lus
 
 FROM base AS release
 RUN mkdir /srv/http
-RUN adduser -D -h /var/bugis -u 1000 bugis
+RUN adduser -D -h /var/lib/bugis -u 1000 bugis
 USER bugis
-WORKDIR /var/bugis
+WORKDIR /var/lib/bugis
 COPY --chown=bugis:users conf/pip.conf ./.pip/pip.conf
 RUN python -m venv .venv
-RUN --mount=type=cache,target=/var/bugis/.cache/pip,uid=1000,gid=1000 --mount=type=bind,ro,from=build,source=/home/luser/bugis/requirements-run.txt,target=/requirements-run.txt --mount=type=bind,ro,from=build,source=/home/luser/wheel,target=/wheel .venv/bin/pip install -r /requirements-run.txt /wheel/*.whl
+RUN --mount=type=cache,target=/var/bugis/.cache/pip,uid=1000,gid=1000 --mount=type=bind,ro,from=build,source=/home/luser/requirements-run.txt,target=/requirements-run.txt --mount=type=bind,ro,from=build,source=/home/luser/wheel,target=/wheel .venv/bin/pip install -r /requirements-run.txt /wheel/*.whl
 RUN --mount=type=cache,target=/var/bugis/.cache/pip,uid=1000,gid=1000 --mount=type=bind,ro,from=build,source=/home/luser/bugis/dist,target=/dist .venv/bin/pip install /dist/*.whl
 VOLUME /srv/http
 WORKDIR /srv/http
@@ -37,6 +37,6 @@ ENV GRANIAN_INTERFACE=asgi
 ENV GRANIAN_LOOP=asyncio
 ENV GRANIAN_LOG_ENABLED=false
 
-ENTRYPOINT ["/var/bugis/.venv/bin/python", "-m", "granian", "bugis.asgi:application"]
+ENTRYPOINT ["/var/lib/bugis/.venv/bin/python", "-m", "granian", "bugis.asgi:application"]
 EXPOSE 8000/tcp
 

conf/nginx-bugis.conf

@@ -0,0 +1,14 @@
+server {
+    listen 8080;
+    http2 on;
+    
+    server_name localhost;
+
+    location / {
+        proxy_pass http://granian:8000;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_read_timeout 60s;
+    }
+}

pyproject.toml

@@ -29,7 +29,7 @@ dependencies = [
     "PyYAML",
     "pygraphviz",
     "aiofiles",
-    "aiohttp[speedups]",
+    "httpx[http2]"
 ]
 
 [project.optional-dependencies]

requirements-dev.txt

@@ -7,30 +7,21 @@
 --index-url https://gitea.woggioni.net/api/packages/woggioni/pypi/simple
 --extra-index-url https://pypi.org/simple
 
-aiodns==3.2.0
-    # via aiohttp
 aiofiles==24.1.0
     # via bugis (pyproject.toml)
-aiohappyeyeballs==2.4.3
-    # via aiohttp
-aiohttp[speedups]==3.10.10
-    # via bugis (pyproject.toml)
-aiosignal==1.3.1
-    # via aiohttp
+anyio==4.6.2.post1
+    # via httpx
 asttokens==2.4.1
     # via stack-data
-attrs==24.2.0
-    # via aiohttp
-brotli==1.1.0
-    # via aiohttp
 build==1.2.2.post1
     # via bugis (pyproject.toml)
 certifi==2024.8.30
-    # via requests
-cffi==1.17.1
     # via
-    #   cryptography
-    #   pycares
+    #   httpcore
+    #   httpx
+    #   requests
+cffi==1.17.1
+    # via cryptography
 charset-normalizer==3.4.0
     # via requests
 click==8.1.7
@@ -45,16 +36,25 @@ docutils==0.21.2
     # via readme-renderer
 executing==2.1.0
     # via stack-data
-frozenlist==1.5.0
-    # via
-    #   aiohttp
-    #   aiosignal
 granian==1.6.1
     # via bugis (pyproject.toml)
+h11==0.14.0
+    # via httpcore
+h2==4.1.0
+    # via httpx
+hpack==4.0.0
+    # via h2
+httpcore==1.0.6
+    # via httpx
+httpx[http2]==0.27.2
+    # via bugis (pyproject.toml)
+hyperframe==6.0.1
+    # via h2
 idna==3.10
     # via
+    #   anyio
+    #   httpx
     #   requests
-    #   yarl
 importlib-metadata==8.5.0
     # via twine
 ipdb==0.13.13
@@ -87,10 +87,6 @@ more-itertools==10.5.0
     # via
     #   jaraco-classes
     #   jaraco-functools
-multidict==6.1.0
-    # via
-    #   aiohttp
-    #   yarl
 mypy==1.13.0
     # via bugis (pyproject.toml)
 mypy-extensions==1.0.0
@@ -107,16 +103,12 @@ pkginfo==1.10.0
     # via twine
 prompt-toolkit==3.0.48
     # via ipython
-propcache==0.2.0
-    # via yarl
 ptyprocess==0.7.0
     # via pexpect
 pure-eval==0.2.3
     # via stack-data
 pwo==0.0.4
     # via bugis (pyproject.toml)
-pycares==4.4.0
-    # via aiodns
 pycparser==2.22
     # via cffi
 pygments==2.18.0
@@ -147,6 +139,10 @@ secretstorage==3.3.3
     # via keyring
 six==1.16.0
     # via asttokens
+sniffio==1.3.1
+    # via
+    #   anyio
+    #   httpx
 stack-data==0.6.3
     # via ipython
 traitlets==5.14.3
@@ -169,7 +165,5 @@ watchdog==5.0.3
     # via bugis (pyproject.toml)
 wcwidth==0.2.13
     # via prompt-toolkit
-yarl==1.16.0
-    # via aiohttp
 zipp==3.20.2
     # via importlib-metadata

requirements-run.txt

@@ -7,57 +7,51 @@
 --index-url https://gitea.woggioni.net/api/packages/woggioni/pypi/simple
 --extra-index-url https://pypi.org/simple
 
-aiodns==3.2.0
-    # via aiohttp
 aiofiles==24.1.0
     # via bugis (pyproject.toml)
-aiohappyeyeballs==2.4.3
-    # via aiohttp
-aiohttp[speedups]==3.10.10
-    # via bugis (pyproject.toml)
-aiosignal==1.3.1
-    # via aiohttp
-attrs==24.2.0
-    # via aiohttp
-brotli==1.1.0
-    # via aiohttp
-cffi==1.17.1
-    # via pycares
+anyio==4.6.2.post1
+    # via httpx
+certifi==2024.8.30
+    # via
+    #   httpcore
+    #   httpx
 click==8.1.7
     # via granian
-frozenlist==1.5.0
-    # via
-    #   aiohttp
-    #   aiosignal
 granian==1.6.1
     # via bugis (pyproject.toml)
+h11==0.14.0
+    # via httpcore
+h2==4.1.0
+    # via httpx
+hpack==4.0.0
+    # via h2
+httpcore==1.0.6
+    # via httpx
+httpx[http2]==0.27.2
+    # via bugis (pyproject.toml)
+hyperframe==6.0.1
+    # via h2
 idna==3.10
-    # via yarl
+    # via
+    #   anyio
+    #   httpx
 markdown==3.7
     # via bugis (pyproject.toml)
-multidict==6.1.0
-    # via
-    #   aiohttp
-    #   yarl
-propcache==0.2.0
-    # via yarl
 pwo==0.0.4
     # via bugis (pyproject.toml)
-pycares==4.4.0
-    # via aiodns
-pycparser==2.22
-    # via cffi
 pygments==2.18.0
     # via bugis (pyproject.toml)
 pygraphviz==1.14
     # via bugis (pyproject.toml)
 pyyaml==6.0.2
     # via bugis (pyproject.toml)
+sniffio==1.3.1
+    # via
+    #   anyio
+    #   httpx
 typing-extensions==4.12.2
     # via pwo
 uvloop==0.21.0
     # via granian
 watchdog==5.0.3
     # via bugis (pyproject.toml)
-yarl==1.16.0
-    # via aiohttp

requirements.txt

@@ -2,56 +2,50 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile pyproject.toml
+#    pip-compile --output-file=requirements.txt pyproject.toml
 #
 --index-url https://gitea.woggioni.net/api/packages/woggioni/pypi/simple
 --extra-index-url https://pypi.org/simple
 
-aiodns==3.2.0
-    # via aiohttp
 aiofiles==24.1.0
     # via bugis (pyproject.toml)
-aiohappyeyeballs==2.4.3
-    # via aiohttp
-aiohttp[speedups]==3.10.10
-    # via bugis (pyproject.toml)
-aiosignal==1.3.1
-    # via aiohttp
-attrs==24.2.0
-    # via aiohttp
-brotli==1.1.0
-    # via aiohttp
-cffi==1.17.1
-    # via pycares
-frozenlist==1.5.0
+anyio==4.6.2.post1
+    # via httpx
+certifi==2024.8.30
     # via
-    #   aiohttp
-    #   aiosignal
+    #   httpcore
+    #   httpx
+h11==0.14.0
+    # via httpcore
+h2==4.1.0
+    # via httpx
+hpack==4.0.0
+    # via h2
+httpcore==1.0.6
+    # via httpx
+httpx[http2]==0.27.2
+    # via bugis (pyproject.toml)
+hyperframe==6.0.1
+    # via h2
 idna==3.10
-    # via yarl
+    # via
+    #   anyio
+    #   httpx
 markdown==3.7
     # via bugis (pyproject.toml)
-multidict==6.1.0
-    # via
-    #   aiohttp
-    #   yarl
-propcache==0.2.0
-    # via yarl
 pwo==0.0.4
     # via bugis (pyproject.toml)
-pycares==4.4.0
-    # via aiodns
-pycparser==2.22
-    # via cffi
 pygments==2.18.0
     # via bugis (pyproject.toml)
 pygraphviz==1.14
     # via bugis (pyproject.toml)
 pyyaml==6.0.2
     # via bugis (pyproject.toml)
+sniffio==1.3.1
+    # via
+    #   anyio
+    #   httpx
 typing-extensions==4.12.2
     # via pwo
 watchdog==5.0.3
     # via bugis (pyproject.toml)
-yarl==1.16.0
-    # via aiohttp

src/bugis/asgi.py

@@ -14,14 +14,14 @@ from pwo import Maybe
 from .server import Server
 from asyncio import get_running_loop
 from .asgi_utils import decode_headers
-from typing import Optional
+from typing import Optional, Awaitable, Callable, Any, Mapping
 
 log = logging.getLogger('access')
 log.propagate = False
 
 _server: Optional[Server] = None
 
-async def application(scope, receive, send):
+async def application(scope, receive, send : Callable[[Mapping[str, Any]], Awaitable[None]]):
     global _server
     if scope['type'] == 'lifespan':
         while True:

src/bugis/plantuml.py

@@ -1,17 +1,19 @@
 from typing import TYPE_CHECKING
 
 from aiofiles import open as async_open
-from aiohttp import ClientSession
 from .configuration import Configuration
-from yarl import URL
 if TYPE_CHECKING:
     from _typeshed import StrOrBytesPath
+from httpx import AsyncClient, URL
+from typing import Callable, Awaitable
+from urllib.parse import urljoin
 
-async def render_plant_uml(path: 'StrOrBytesPath') -> bytes:
-    async with ClientSession() as session:
-        url = URL(Configuration.instance.plant_uml_server_address) / 'svg'
-        async with async_open(path, 'rb') as file:
-            source = await file.read()
-            async with session.post(url, data=source) as response:
-                response.raise_for_status()
-                return await response.read()
+chunk_size = 0x10000
+async def render_plant_uml(client: AsyncClient, path: 'StrOrBytesPath', send : Callable[[bytes], Awaitable[None]]):
+    url = URL(urljoin(Configuration.instance.plant_uml_server_address, 'svg'))
+    async with async_open(path, 'rb') as file:
+        source = await file.read()
+        response = await client.post(url, content=source)
+        response.raise_for_status()
+        async for chunk in response.aiter_bytes(chunk_size=chunk_size):
+            await send(chunk)

src/bugis/server.py

@@ -6,7 +6,7 @@ from io import BytesIO
 from mimetypes import init as mimeinit, guess_type
 from os import getcwd
 from os.path import join, normpath, splitext, relpath, basename
-from typing import Callable, TYPE_CHECKING, Optional, Awaitable, AsyncGenerator, Any
+from typing import Callable, TYPE_CHECKING, Optional, Awaitable, AsyncGenerator, Any, Mapping
 
 import pygraphviz as pgv
 from aiofiles import open as async_open
@@ -14,6 +14,7 @@ from aiofiles.base import AiofilesContextManager
 from aiofiles.os import listdir
 from aiofiles.ospath import exists, isdir, isfile, getmtime
 from aiofiles.threadpool.binary import AsyncBufferedReader
+from httpx import AsyncClient
 from pwo import Maybe
 
 from .asgi_utils import encode_headers
@@ -56,7 +57,10 @@ logger = logging.getLogger(__name__)
 
 
 class Server:
+    root_dir: 'StrOrBytesPath'
+    prefix: Optional['StrOrBytesPath']
     _loop: AbstractEventLoop
+    _client: AsyncClient
 
     def __init__(self,
                  root_dir: 'StrOrBytesPath' = getcwd(),
@@ -67,13 +71,16 @@ class Server:
         self.file_watcher = FileWatcher(cwd)
         self.prefix = prefix and normpath(f'{prefix.decode()}')
         self._loop = loop
+        self._client = AsyncClient()
 
     async def handle_request(self,
-                             method: str,
-                             url_path: str,
-                             etag: Optional[str],
-                             query_string: Optional[str], send,
-                             pathsend: bool = False):
+            method: str,
+            url_path: str,
+            etag: Optional[str],
+            query_string: Optional[str],
+            send: Callable[[Mapping[str, Any]], Awaitable[None]],
+            pathsend: bool = False
+         ):
         if method != 'GET':
             await send({
                 'type': 'http.response.start',
@@ -174,7 +181,6 @@ class Server:
                     })
                 elif is_plant_uml(path):
                     logger.debug("Starting PlantUML rendering for file '%s'", path)
-                    body = await render_plant_uml(path)
                     logger.debug("Completed PlantUML rendering for file '%s'", path)
                     await send({
                         'type': 'http.response.start',
@@ -185,9 +191,15 @@ class Server:
                             'Cache-Control': 'no-cache'
                         })
                     })
+                    await render_plant_uml(self._client, path, lambda chunk: send({
+                        'type': 'http.response.body',
+                        'body': chunk,
+                        'more_body': True
+                    }))
                     await send({
                         'type': 'http.response.body',
-                        'body': body
+                        'body': '',
+                        'more_body': False
                     })
                 else:
                     async def read_file(file_path, buffer_size=0x10000):
@@ -392,3 +404,4 @@ class Server:
 
     async def stop(self):
         await self.file_watcher.stop()
+        await self._client.aclose()