Custom rockcraft config

rock.gunicorn.conf.py

@@ -0,0 +1,7 @@
+"""gunicorn configuration."""
+
+bind = ["0.0.0.0:8000"]
+chdir = "/flask/app"
+statsd_host = "localhost:9125"
+worker_class = "gevent"
+workers = 4

rockcraft.yaml

@@ -1,24 +1,88 @@
 name: charmhub-io
-base: bare
-build-base: [email protected]
-version: "0.1"
+title: charmhub-io
+version: '0.1'
 summary: Rocked charmhub.io
 description: |
-    This is the rockcraft for the charmhub.io website.
+  This is the rockcraft for the charmhub.io website.
+base: bare
+build-base: [email protected]
 platforms:
-    amd64:
-
-extensions:
-    - flask-framework
-
+  amd64:
+    build-on:
+    - amd64
+    build-for:
+    - amd64
 parts:
   flask-framework/install-app:
     prime:
-      - flask/app/.env
-      - flask/app/app.py
-      - flask/app/webapp
-      - flask/app/templates
-      - flask/app/static
-      - flask/app/redirects.yaml
-      - flask/app/security.txt
-      - flask/app/robots.txt
+    - flask/app/.env
+    - flask/app/app.py
+    - flask/app/webapp
+    - flask/app/templates
+    - flask/app/static
+    - flask/app/redirects.yaml
+    - flask/app/security.txt
+    - flask/app/robots.txt
+    - flask/app/rock.gunicorn.conf.py
+    plugin: dump
+    source: .
+    organize:
+      .env: flask/app/.env
+      app.py: flask/app/app.py
+      webapp: flask/app/webapp
+      templates: flask/app/templates
+      static: flask/app/static
+      redirects.yaml: flask/app/redirects.yaml
+      security.txt: flask/app/security.txt
+      robots.txt: flask/app/robots.txt
+      rock.gunicorn.conf.py: flask/app/rock.gunicorn.conf.py
+    stage:
+    - flask/app/.env
+    - flask/app/app.py
+    - flask/app/webapp
+    - flask/app/templates
+    - flask/app/static
+    - flask/app/redirects.yaml
+    - flask/app/security.txt
+    - flask/app/robots.txt
+    - flask/app/rock.gunicorn.conf.py
+  flask-framework/dependencies:
+    plugin: python
+    stage-packages:
+    - python3.10-venv_ensurepip
+    source: .
+    python-packages:
+    - gunicorn
+    python-requirements:
+    - requirements.txt
+    build-environment:
+    - PARTS_PYTHON_INTERPRETER: python3.10
+  flask-framework/statsd-exporter:
+    build-snaps:
+    - go
+    source-tag: v0.26.0
+    plugin: go
+    source: https://github.com/prometheus/statsd_exporter.git
+  flask-framework/runtime:
+    plugin: nil
+    override-build: mkdir -m 777 ${CRAFT_PART_INSTALL}/tmp
+    stage-packages:
+    - bash_bins
+    - coreutils_bins
+    - ca-certificates_data
+run-user: _daemon_
+services:
+  flask:
+    override: replace
+    command: /bin/python3 -m gunicorn -c /flask/app/rock.gunicorn.conf.py app:app
+    startup: enabled
+    after:
+    - statsd-exporter
+    user: _daemon_
+  statsd-exporter:
+    override: merge
+    command: /bin/statsd_exporter --statsd.mapping-config=/statsd-mapping.conf --statsd.listen-udp=localhost:9125
+      --statsd.listen-tcp=localhost:9125
+    summary: statsd exporter service
+    startup: enabled
+    user: _daemon_