Dockerize the application

Dockerfile

@@ -0,0 +1,22 @@
+# syntax=docker/dockerfile:1
+FROM python:3.9.2-slim AS development
+
+WORKDIR /src
+
+RUN pip install pymysql
+
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+COPY . .
+
+WORKDIR /src/app
+CMD python app.py db upgrade && \
+    python app.py runserver -h 0.0.0.0 -p 8000
+
+FROM development AS production
+
+RUN pip install waitress
+
+CMD python app.py db upgrade && \
+    python wsgi.py

app/config.example.py

@@ -1,11 +1,16 @@
 """An example for a Haldis config"""
-# config
+# import os
 
 
 class Configuration:
     "Haldis configuration object"
     # pylint: disable=too-few-public-methods
     SQLALCHEMY_DATABASE_URI = "sqlite:///haldis.db"
+    # MARIADB_HOST = os.environ.get("MARIADB_HOST")
+    # MARIADB_DB = os.environ.get("MARIADB_DATABASE")
+    # MARIADB_USER = os.environ.get("MARIADB_USER")
+    # MARIADB_PASS = os.environ.get("MARIADB_PASSWORD")
+    # SQLALCHEMY_DATABASE_URI = f"mysql+pymysql://{MARIADB_USER}:{MARIADB_PASS}@{MARIADB_HOST}/{MARIADB_DB}"
     SQLALCHEMY_TRACK_MODIFICATIONS = False
     DEBUG = True
     HALDIS_ADMINS = []

app/hlds/definitions.py

@@ -17,5 +17,8 @@ DATA_DIR = ROOT_DIR / "menus"
 location_definitions: List[Location] = parse_all_directory(str(DATA_DIR))
 location_definitions.sort(key=lambda l: l.name)
 
-proc = subprocess.run(["git", "rev-parse", "HEAD"], stdout=subprocess.PIPE, cwd=str(ROOT_DIR), check=True)
-location_definition_version = proc.stdout.decode().strip()
+try:
+    proc = subprocess.run(["git", "rev-parse", "HEAD"], stdout=subprocess.PIPE, cwd=str(ROOT_DIR), check=True)
+    location_definition_version = proc.stdout.decode().strip()
+except FileNotFoundError:
+    location_definition_version = ""

app/migrations/versions/150252c1cdb1_.py

@@ -43,7 +43,7 @@ def upgrade():
         sa.Column("starttime", sa.DateTime(), nullable=True),
         sa.Column("stoptime", sa.DateTime(), nullable=True),
         sa.Column("public", sa.Boolean(), nullable=True),
-        sa.ForeignKeyConstraint(["location_id"], ["location.id"]),
+        sa.ForeignKeyConstraint(["location_id"], ["location.id"], name="order_ibfk_1"),
         sa.PrimaryKeyConstraint("id"),
     )
     op.create_table(
@@ -65,7 +65,7 @@ def upgrade():
         sa.Column("extra", sa.String(length=254), nullable=True),
         sa.Column("name", sa.String(length=120), nullable=True),
         sa.ForeignKeyConstraint(["order_id"], ["order.id"]),
-        sa.ForeignKeyConstraint(["product_id"], ["product.id"]),
+        sa.ForeignKeyConstraint(["product_id"], ["product.id"], name="order_item_ibfk_3"),
         sa.ForeignKeyConstraint(["user_id"], ["user.id"]),
         sa.PrimaryKeyConstraint("id"),
     )

app/migrations/versions/9159a6fed021_initial_haldis_support.py

@@ -112,14 +112,12 @@ def upgrade():
         )
     )
     # Historical product data migrated, drop obsolete column and table
-    op.execute(text("ALTER TABLE order_item DROP FOREIGN KEY order_item_ibfk_3"))
+    op.drop_constraint("order_item_ibfk_3", "order_item", type_="foreignkey")
     op.drop_column("order_item", "product_id")
     op.drop_table("product")
 
     # ----------------------------------------------------------------------------------------------
     # Migrate historical location data to orders
-
-    op.execute(text("ALTER TABLE `order` DROP FOREIGN KEY order_ibfk_2"))
     op.alter_column(
         "order",
         "location_id",
@@ -157,6 +155,7 @@ def upgrade():
     for query in chain(new_location_id, [location_name_from_location]):
         op.execute(query)
     # Historical location data migrated, drop obsolete column and table
+    op.drop_constraint("order_ibfk_1", "order", type_="foreignkey")
     op.drop_column("order", "legacy_location_id")
     op.drop_table("location")
 

app/wsgi.py

@@ -0,0 +1,16 @@
+import sentry_sdk
+from sentry_sdk.integrations.flask import FlaskIntegration
+from waitress import serve
+
+from app import create_app
+from config import Configuration
+
+if __name__ == "__main__":
+    if Configuration.SENTRY_DSN:
+        sentry_sdk.init(
+            dsn=Configuration.SENTRY_DSN,
+            integrations=[FlaskIntegration()]
+        )
+
+    app, app_mgr = create_app()
+    serve(app_mgr, host="0.0.0.0", port=8000)

docker-compose.override.yml

@@ -0,0 +1,17 @@
+version: "3.4"
+
+services:
+  app:
+    build:
+      target: "development"
+    environment:
+      - MARIADB_DATABASE=haldis
+      - MARIADB_USER=haldis
+      - MARIADB_PASSWORD=haldis
+    volumes: ["$PWD:/src"]
+  database:
+    environment:
+      - MARIADB_DATABASE=haldis
+      - MARIADB_ROOT_PASSWORD=mariadb
+      - MARIADB_USER=haldis
+      - MARIADB_PASSWORD=haldis

docker-compose.yml

@@ -0,0 +1,31 @@
+version: "3.4"
+
+services:
+  app:
+    build:
+      context: .
+      target: production
+    restart: on-failure
+    depends_on: [database]
+    ports: ["8000:8000"]
+    environment:
+      - MARIADB_HOST=database
+      - MARIADB_DATABASE
+      - MARIADB_USER
+      - MARIADB_PASSWORD
+    networks: [haldis]
+  database:
+    image: mariadb:10.8
+    hostname: database
+    restart: on-failure
+    environment:
+      - MARIADB_DATABASE
+      - MARIADB_ROOT_PASSWORD
+      - MARIADB_USER
+      - MARIADB_PASSWORD
+    networks: [haldis]
+    volumes: [haldis_data:/var/lib/mysql]
+networks:
+  haldis:
+volumes:
+  haldis_data: