From d26b935440d2036370faa4c58d9caefd8a02c6fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gerg=C5=91=20Jedlicska?= <gergo@jedlicska.com>
Date: Thu, 7 Oct 2021 15:21:33 +0200
Subject: [PATCH] add multi stage dockerfile

---
 server/Dockerfile           | 28 ++++++++++++++++
 server/README.md            |  4 ++-
 server/app/gunicorn_conf.py | 67 +++++++++++++++++++++++++++++++++++++
 server/app/main.py          |  1 +
 4 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 server/Dockerfile
 create mode 100644 server/app/gunicorn_conf.py

diff --git a/server/Dockerfile b/server/Dockerfile
new file mode 100644
index 0000000..7157d11
--- /dev/null
+++ b/server/Dockerfile
@@ -0,0 +1,28 @@
+FROM python:3.8.12-bullseye as builder
+ENV VIRTUAL_ENV=/opt/venv
+RUN pip install --no-cache-dir poetry virtualenv
+RUN virtualenv ${VIRTUAL_ENV} 
+ENV PATH="${VIRTUAL_ENV}/bin:$PATH"
+
+COPY pyproject.toml poetry.lock ./
+RUN poetry install --no-dev --no-root
+
+COPY ./src /src
+RUN poetry build -f wheel
+
+RUN ls dist -a 
+RUN pip install ./dist/*
+
+
+FROM python:3.8.12-slim-bullseye
+ENV VIRTUAL_ENV=/opt/venv
+
+COPY --from=builder ${VIRTUAL_ENV} ${VIRTUAL_ENV}
+ENV PATH="${VIRTUAL_ENV}/bin:$PATH"
+
+COPY ./app /app
+
+# if  running in kubernetes, or other orchestration env, uvicorn is good enough
+# CMD ["uvicorn", "app.main:app"]
+
+CMD ["gunicorn", "-c", "app/gunicorn_conf.py", "-k", "uvicorn.workers.UvicornWorker", "app.main:app" ]
\ No newline at end of file
diff --git a/server/README.md b/server/README.md
index 048e48a..a0b4c97 100644
--- a/server/README.md
+++ b/server/README.md
@@ -4,4 +4,6 @@ This app is the product of the first SpeckleHackathon
 
 To run the app, use the provided `Dockerfile`
 
-To debug the app, create a `.env` file based on the `.env_example` and see the `.vscode/launch.json` for a sample config.
\ No newline at end of file
+To debug the app, create a `.env` file based on the `.env_example` and see the `.vscode/launch.json` for a sample config.
+
+Use the example hooks provided, and the `http://localhost:8000/docs` page to test things.
\ No newline at end of file
diff --git a/server/app/gunicorn_conf.py b/server/app/gunicorn_conf.py
new file mode 100644
index 0000000..26eee25
--- /dev/null
+++ b/server/app/gunicorn_conf.py
@@ -0,0 +1,67 @@
+import json
+import multiprocessing
+import os
+
+workers_per_core_str = os.getenv("WORKERS_PER_CORE", "1")
+max_workers_str = os.getenv("MAX_WORKERS")
+use_max_workers = None
+if max_workers_str:
+    use_max_workers = int(max_workers_str)
+web_concurrency_str = os.getenv("WEB_CONCURRENCY", None)
+
+host = os.getenv("HOST", "0.0.0.0")
+port = os.getenv("PORT", "80")
+bind_env = os.getenv("BIND", None)
+use_loglevel = os.getenv("LOG_LEVEL", "info")
+if bind_env:
+    use_bind = bind_env
+else:
+    use_bind = f"{host}:{port}"
+
+cores = multiprocessing.cpu_count()
+workers_per_core = float(workers_per_core_str)
+default_web_concurrency = workers_per_core * cores
+if web_concurrency_str:
+    web_concurrency = int(web_concurrency_str)
+    assert web_concurrency > 0
+else:
+    web_concurrency = max(int(default_web_concurrency), 2)
+    if use_max_workers:
+        web_concurrency = min(web_concurrency, use_max_workers)
+accesslog_var = os.getenv("ACCESS_LOG", "-")
+use_accesslog = accesslog_var or None
+errorlog_var = os.getenv("ERROR_LOG", "-")
+use_errorlog = errorlog_var or None
+graceful_timeout_str = os.getenv("GRACEFUL_TIMEOUT", "120")
+timeout_str = os.getenv("TIMEOUT", "120")
+keepalive_str = os.getenv("KEEP_ALIVE", "5")
+
+# Gunicorn config variables
+loglevel = use_loglevel
+workers = web_concurrency
+bind = use_bind
+errorlog = use_errorlog
+worker_tmp_dir = "/dev/shm"
+accesslog = use_accesslog
+graceful_timeout = int(graceful_timeout_str)
+timeout = int(timeout_str)
+keepalive = int(keepalive_str)
+
+
+# For debugging and testing
+log_data = {
+    "loglevel": loglevel,
+    "workers": workers,
+    "bind": bind,
+    "graceful_timeout": graceful_timeout,
+    "timeout": timeout,
+    "keepalive": keepalive,
+    "errorlog": errorlog,
+    "accesslog": accesslog,
+    # Additional, non-gunicorn variables
+    "workers_per_core": workers_per_core,
+    "use_max_workers": use_max_workers,
+    "host": host,
+    "port": port,
+}
+print(json.dumps(log_data))
\ No newline at end of file
diff --git a/server/app/main.py b/server/app/main.py
index 1df58dc..3893f80 100644
--- a/server/app/main.py
+++ b/server/app/main.py
@@ -12,6 +12,7 @@ from app.models import Webhook
 
 app = FastAPI()
 
+print("booting")
 
 @app.get("/health")
 async def health():