Build an image and add it to compose

Dockerfile

@@ -0,0 +1,14 @@
+FROM docker.io/library/debian:12-slim AS builder
+RUN apt-get update && \
+    apt-get install --no-install-suggests --no-install-recommends --yes pipx
+ENV PATH="/root/.local/bin:${PATH}"
+RUN pipx install poetry
+RUN pipx inject poetry poetry-plugin-bundle
+WORKDIR /src
+COPY . .
+RUN poetry bundle venv --python=/usr/bin/python3 --only=main /venv
+
+FROM gcr.io/distroless/python3-debian12
+COPY --from=builder /venv /venv
+COPY hedgedoc-expire.py /
+ENTRYPOINT ["/venv/bin/python", "/hedgedoc-expire.py"]

docker-compose.yaml

@@ -44,6 +44,14 @@ services:
     depends_on:
       - database
 
+  hedgedoc-expire:
+    image: hedgedoc-expire
+    command: "-c -r .001 -n .001"
+    environment:
+      - "POSTGRES_HOSTNAME=database"
+    depends_on:
+      - database
+
 
 volumes:
   database: {}

hedgedoc-expire.py

@@ -20,8 +20,14 @@ class Config:
         """
         Get config from environment variables
         """
+        self.postgres_hostname = getenv('POSTGRES_HOSTNAME', 'localhost')
+        self.postgres_username = getenv('POSTGRES_USERNAME', 'hedgedoc')
+        self.postgres_password = getenv('POSTGRES_PASSWORD', 'geheim')
+        self.postgres_database = getenv('POSTGRES_DATABASE', 'hedgedoc')
+        self.postgres_port = int(getenv('POSTGRES_PORT', '5432'))
+
         self.smtp_hostname = getenv('SMTP_HOSTNAME', 'localhost')
-        self.smtp_port = getenv('SMTP_PORT', '587')
+        self.smtp_port = int(getenv('SMTP_PORT', '587'))
         self.smtp_username = getenv('SMTP_USERNAME', '')
         self.smtp_password = getenv('SMTP_PASSWORD', '')
         self.smtp_from = getenv('SMTP_FROM', '')
@@ -191,7 +197,7 @@ if __name__ == '__main__':
     config = Config()
     mail = EmailSender(config.smtp_hostname, config.smtp_port, config.smtp_username, config.smtp_password, config.smtp_from)
 
-    with pgsql.Connection(("localhost", 5432), "hedgedoc", "geheim") as db:
+    with pgsql.Connection((config.postgres_hostname, config.postgres_port), config.postgres_username, config.postgres_password) as db:
         if args.check:
             check_revisions_to_be_expired(revisions_delta)
             check_notes_to_be_expired(notes_delta, config)