added ability to build and run with docker w/ burnettk

Dockerfile

@@ -0,0 +1,28 @@
+FROM ghcr.io/sartography/python:3.9
+
+RUN pip install poetry
+RUN useradd _gunicorn --no-create-home --user-group
+
+RUN apt-get update && \
+    apt-get install -y -q \
+        gcc libssl-dev \
+        curl git-core libpq-dev \
+        gunicorn3 default-mysql-client
+
+WORKDIR /app
+COPY pyproject.toml poetry.lock /app/
+RUN poetry install
+
+RUN set -xe \
+  && apt-get remove -y gcc python3-dev libssl-dev \
+  && apt-get autoremove -y \
+  && apt-get clean -y \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY . /app/
+
+# run poetry install again AFTER copying the app into the image
+# otherwise it does not know what the main app module is
+RUN poetry install
+
+CMD ./bin/boot_server_in_docker

bin/boot_server_in_docker

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+function error_handler() {
+  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
+  exit "$2"
+}
+trap 'error_handler ${LINENO} $?' ERR
+set -o errtrace -o errexit -o nounset -o pipefail
+
+# run migrations
+export FLASK_APP=/app/src/spiffworkflow_backend
+
+if [ "${DOWNGRADE_DB:-}" = "true" ]; then
+  echo 'Downgrading database...'
+  poetry run flask db downgrade
+fi
+
+if [ "${UPGRADE_DB:-}" = "true" ]; then
+  echo 'Upgrading database...'
+  poetry run flask db upgrade
+fi
+
+port="${PORT0:-}"
+if [[ -z "$port" ]]; then
+  port=7000
+fi
+
+# THIS MUST BE THE LAST COMMAND!
+if [ "${APPLICATION_ROOT:-}" = "/" ]; then
+  exec poetry run gunicorn --bind "0.0.0.0:$PORT0" wsgi:app
+else
+  exec poetry run gunicorn -e SCRIPT_NAME="$APPLICATION_ROOT" --bind "0.0.0.0:$PORT0" wsgi:app
+fi

bin/build_and_run_with_docker_compose

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+function error_handler() {
+  >&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
+  exit "$2"
+}
+trap 'error_handler ${LINENO} $?' ERR
+set -o errtrace -o errexit -o nounset -o pipefail
+
+if [[ -z "${BPMN_SPEC_ABSOLUTE_DIR:-}" ]]; then
+  script_dir="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+  export BPMN_SPEC_ABSOLUTE_DIR="$script_dir/../../sample-process-models"
+fi
+
+docker compose up --build

bin/run_server_locally

@@ -16,4 +16,6 @@ if [[ -z "${BPMN_SPEC_ABSOLUTE_DIR:-}" ]]; then
   export BPMN_SPEC_ABSOLUTE_DIR="$script_dir/../../sample-process-models"
 fi
 
+export FLASK_SESSION_SECRET_KEY=super_secret_key
+
 FLASK_APP=src/spiffworkflow_backend poetry run flask run

docker-compose.yml

@@ -0,0 +1,43 @@
+version: "3.8"
+services:
+  db:
+    container_name: db
+    image: mysql:8.0.29
+    cap_add:
+      - SYS_NICE
+    restart: always
+    environment:
+      - MYSQL_DATABASE=spiffworkflow_backend_staging
+      - MYSQL_ROOT_PASSWORD=St4g3Th1515
+    ports:
+      - '7001:3306'
+    volumes:
+      - spiffworkflow_backend:/var/lib/mysql
+
+  spiffworkflow-backend:
+    container_name: spiffworkflow-backend
+    # command: tail -f /etc/hostname
+    depends_on:
+       - db
+    # image: sartography/cr-connect-workflow:dev
+    build:
+      context: .
+    environment:
+      - APPLICATION_ROOT=/
+      - FLASK_ENV=staging
+      - FLASK_SESSION_SECRET_KEY=super_secret_key
+      - DEVELOPMENT=true
+      - LDAP_URL=mock
+      - PORT0=7000
+      - PRODUCTION=false
+      - UPGRADE_DB=true
+      - DATABASE_URI=mysql+mysqlconnector://root:St4g3Th1515@db/spiffworkflow_backend_staging
+      - BPMN_SPEC_ABSOLUTE_DIR=/app/process_models
+    ports:
+      - "7000:7000"
+    volumes:
+      - ${BPMN_SPEC_ABSOLUTE_DIR}:/app/process_models
+
+volumes:
+  spiffworkflow_backend:
+    driver: local

poetry.lock

@@ -384,6 +384,7 @@ jsonschema = ">=2.5.1,<5"
 packaging = ">=20"
 PyYAML = ">=5.1,<7"
 requests = ">=2.9.1,<3"
+swagger-ui-bundle = {version = ">=0.0.2,<0.1", optional = true, markers = "extra == \"swagger-ui\""}
 werkzeug = ">=1.0,<3"
 
 [package.extras]
@@ -765,6 +766,20 @@ python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
 [package.extras]
 docs = ["sphinx"]
 
+[[package]]
+name = "gunicorn"
+version = "20.1.0"
+description = "WSGI HTTP Server for UNIX"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[package.extras]
+eventlet = ["eventlet (>=0.24.1)"]
+gevent = ["gevent (>=1.4.0)"]
+setproctitle = ["setproctitle"]
+tornado = ["tornado (>=0.2)"]
+
 [[package]]
 name = "identify"
 version = "2.5.1"
@@ -1779,6 +1794,17 @@ python-versions = ">=3.6"
 [package.dependencies]
 pbr = ">=2.0.0,<2.1.0 || >2.1.0"
 
+[[package]]
+name = "swagger-ui-bundle"
+version = "0.0.9"
+description = "swagger_ui_bundle - swagger-ui files in a pip package"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+Jinja2 = ">=2.0"
+
 [[package]]
 name = "tokenize-rt"
 version = "4.2.1"
@@ -1991,7 +2017,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "217b8108526defaaac72e0d98f15e82efda8b8f4698ea8b52623dc45708a8d70"
+content-hash = "b9b8fb8a5f20adbc1ea2a1e8990c3d1e58e84c62d0a9e9f33e21137686630695"
 
 [metadata.files]
 alabaster = [
@@ -2395,6 +2421,10 @@ greenlet = [
     {file = "greenlet-1.1.2-cp39-cp39-win_amd64.whl", hash = "sha256:013d61294b6cd8fe3242932c1c5e36e5d1db2c8afb58606c5a67efce62c1f5fd"},
     {file = "greenlet-1.1.2.tar.gz", hash = "sha256:e30f5ea4ae2346e62cedde8794a56858a67b878dd79f7df76a0767e356b1744a"},
 ]
+gunicorn = [
+    {file = "gunicorn-20.1.0-py3-none-any.whl", hash = "sha256:9dcc4547dbb1cb284accfb15ab5667a0e5d1881cc443e0677b4882a4067a807e"},
+    {file = "gunicorn-20.1.0.tar.gz", hash = "sha256:e0a968b5ba15f8a328fdfd7ab1fcb5af4470c28aaf7e55df02a99bc13138e6e8"},
+]
 identify = [
     {file = "identify-2.5.1-py2.py3-none-any.whl", hash = "sha256:0dca2ea3e4381c435ef9c33ba100a78a9b40c0bab11189c7cf121f75815efeaa"},
     {file = "identify-2.5.1.tar.gz", hash = "sha256:3d11b16f3fe19f52039fb7e39c9c884b21cb1b586988114fbe42671f03de3e82"},
@@ -3111,6 +3141,10 @@ stevedore = [
     {file = "stevedore-3.5.0-py3-none-any.whl", hash = "sha256:a547de73308fd7e90075bb4d301405bebf705292fa90a90fc3bcf9133f58616c"},
     {file = "stevedore-3.5.0.tar.gz", hash = "sha256:f40253887d8712eaa2bb0ea3830374416736dc8ec0e22f5a65092c1174c44335"},
 ]
+swagger-ui-bundle = [
+    {file = "swagger_ui_bundle-0.0.9-py3-none-any.whl", hash = "sha256:cea116ed81147c345001027325c1ddc9ca78c1ee7319935c3c75d3669279d575"},
+    {file = "swagger_ui_bundle-0.0.9.tar.gz", hash = "sha256:b462aa1460261796ab78fd4663961a7f6f347ce01760f1303bbbdf630f11f516"},
+]
 tokenize-rt = [
     {file = "tokenize_rt-4.2.1-py2.py3-none-any.whl", hash = "sha256:08a27fa032a81cf45e8858d0ac706004fcd523e8463415ddf1442be38e204ea8"},
     {file = "tokenize_rt-4.2.1.tar.gz", hash = "sha256:0d4f69026fed520f8a1e0103aa36c406ef4661417f20ca643f913e33531b3b94"},

pyproject.toml

@@ -37,11 +37,12 @@ pytest-flask = "^1.2.0"
 pytest-flask-sqlalchemy = "^1.1.0"
 psycopg2 = "^2.9.3"
 typing-extensions = "^4.2.0"
-connexion = "^2.13.1"
+connexion = {extras = [ "swagger-ui",], version = "^2.13.1"}
 lxml = "^4.8.0"
 marshmallow-enum = "^1.5.1"
 marshmallow-sqlalchemy = "^0.28.0"
 PyJWT = "^2.4.0"
+gunicorn = "^20.1.0"
 
 
 [tool.poetry.dev-dependencies]

src/spiffworkflow_backend/__init__.py

@@ -26,9 +26,13 @@ def create_app() -> flask.app.Flask:
     )
     app = connexion_app.app
     app.config["CONNEXION_APP"] = connexion_app
-    app.secret_key = "super secret key"
     app.config["SESSION_TYPE"] = "filesystem"
 
+    if os.environ.get("FLASK_SESSION_SECRET_KEY") is None:
+        raise KeyError("Cannot find the secret_key from the environment. Please set FLASK_SESSION_SECRET_KEY")
+
+    app.secret_key = os.environ.get("FLASK_SESSION_SECRET_KEY")
+
     setup_config(app)
     db.init_app(app)
     migrate.init_app(app, db)
@@ -40,7 +44,4 @@ def create_app() -> flask.app.Flask:
     app.register_blueprint(admin_blueprint, url_prefix="/admin")
     connexion_app.add_api("api.yml", base_path="/v1.0")
 
-    for name, value in app.config.items():
-        print(f"{name} = {value}")
-
     return app

src/spiffworkflow_backend/config/__init__.py

@@ -16,18 +16,21 @@ def setup_config(app: Flask) -> None:
     app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
     app.config.from_object("spiffworkflow_backend.config.default")
 
+    if os.environ.get("DATABASE_URI") is None:
         if os.environ.get("SPIFF_DATABASE_TYPE") == "sqlite":
             app.config[
                 "SQLALCHEMY_DATABASE_URI"
             ] = f"sqlite:///{app.instance_path}/db_{app.env}.sqlite3"
         else:
             # use pswd to trick flake8 with hardcoded passwords
-        mysql_pswd = os.environ.get("MYSQL_PASSWORD")
-        if mysql_pswd is None:
-            mysql_pswd = ""
+            db_pswd = os.environ.get("DB_PASSWORD")
+            if db_pswd is None:
+                db_pswd = ""
             app.config[
                 "SQLALCHEMY_DATABASE_URI"
-        ] = f"mysql+mysqlconnector://root:{mysql_pswd}@localhost/spiffworkflow_backend_{app.env}"
+            ] = f"mysql+mysqlconnector://root:{db_pswd}@localhost/spiffworkflow_backend_{app.env}"
+    else:
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("DATABASE_URI")
 
     env_config_module = "spiffworkflow_backend.config." + app.env
     try:

src/spiffworkflow_backend/config/staging.py

@@ -0,0 +1 @@
+"""Staging."""

src/spiffworkflow_backend/routes/admin_blueprint/static/style.css

@@ -0,0 +1 @@
+.example { }

wsgi.py

@@ -0,0 +1,25 @@
+from werkzeug.exceptions import NotFound
+from werkzeug.middleware.dispatcher import DispatcherMiddleware
+from werkzeug.middleware.proxy_fix import ProxyFix
+
+from spiffworkflow_backend import create_app
+
+app = create_app()
+
+if __name__ == "__main__":
+    def no_app(environ, start_response):
+        return NotFound()(environ, start_response)
+
+    # Remove trailing slash, but add leading slash
+    base_url = '/' + app.config['APPLICATION_ROOT'].strip('/')
+    routes = {'/': app.wsgi_app}
+
+    if base_url != '/':
+        routes[base_url] = app.wsgi_app
+
+    app.wsgi_app = DispatcherMiddleware(no_app, routes)
+    app.wsgi_app = ProxyFix(app.wsgi_app)
+
+    flask_port = app.config['FLASK_PORT']
+
+    app.run(host='0.0.0.0', port=flask_port)