sudo docker build -t includeamin/basefastapi:latest .
Created
November 27, 2020 12:36
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fastapi Dockerfile
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| FROM python:3.8 | |
| LABEL maintainer="Sebastian Ramirez <tiangolo@gmail.com>" | |
| RUN pip install --no-cache-dir uvicorn gunicorn | |
| RUN pip install --no-cache-dir uvloop httptools websockets | |
| COPY start.sh /start.sh | |
| RUN chmod +x /start.sh | |
| COPY gunicorn_conf.py /gunicorn_conf.py | |
| COPY . /app | |
| WORKDIR /app/ | |
| ENV PYTHONPATH=/app | |
| ENV PORT=3000 | |
| ENV PORT2=3001 | |
| ENV DEFAULT_MODULE_NAME=app.py | |
| EXPOSE 3000 | |
| EXPOSE 3001 | |
| CMD ["/start.sh"] |
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| 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", "3000") | |
| port2 = os.getenv("PORT2", "3001") | |
| 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}" | |
| use_bind2 = f"{host}:{port2}" | |
| 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, use_bind2] | |
| 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)) |
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| #! /usr/bin/env sh | |
| echo "Running inside /app/prestart.sh, you could add migrations to this file, e.g.:" | |
| echo " | |
| #! /usr/bin/env bash | |
| # Let the DB start | |
| sleep 10; | |
| # Run migrations | |
| alembic upgrade head | |
| " |
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| #! /usr/bin/env sh | |
| set -e | |
| if [ -f /app/app/app.py ]; then | |
| DEFAULT_MODULE_NAME=app.app | |
| elif [ -f /app/app.py ]; then | |
| DEFAULT_MODULE_NAME=app | |
| fi | |
| MODULE_NAME=${MODULE_NAME:-$DEFAULT_MODULE_NAME} | |
| VARIABLE_NAME=${VARIABLE_NAME:-app} | |
| export APP_MODULE=${APP_MODULE:-"$MODULE_NAME:$VARIABLE_NAME"} | |
| if [ -f /app/gunicorn_conf.py ]; then | |
| DEFAULT_GUNICORN_CONF=/app/gunicorn_conf.py | |
| elif [ -f /app/app/gunicorn_conf.py ]; then | |
| DEFAULT_GUNICORN_CONF=/app/app/gunicorn_conf.py | |
| else | |
| DEFAULT_GUNICORN_CONF=/gunicorn_conf.py | |
| fi | |
| export GUNICORN_CONF=${GUNICORN_CONF:-$DEFAULT_GUNICORN_CONF} | |
| export WORKER_CLASS=${WORKER_CLASS:-"uvicorn.workers.UvicornWorker"} | |
| # If there's a prestart.sh script in the /app directory or other path specified, run it before starting | |
| PRE_START_PATH=${PRE_START_PATH:-/app/prestart.sh} | |
| echo "Checking for script in $PRE_START_PATH" | |
| if [ -f $PRE_START_PATH ] ; then | |
| echo "Running script $PRE_START_PATH" | |
| . "$PRE_START_PATH" | |
| else | |
| echo "There is no script $PRE_START_PATH" | |
| fi | |
| # Start Gunicorn | |
| exec gunicorn -k "$WORKER_CLASS" -c "$GUNICORN_CONF" "$APP_MODULE" |
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