feat: add Healthchecks template

blueprints/healthchecks/docker-compose.yml

@@ -0,0 +1,49 @@
+version: "3.8"
+
+services:
+  healthchecks:
+    image: healthchecks/healthchecks:v4.4
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    expose:
+      - 8000
+    environment:
+      DEBUG: ${DEBUG}
+      DB: postgres
+      DB_HOST: db
+      DB_PORT: "5432"
+      DB_NAME: ${DB_NAME}
+      DB_USER: ${DB_USER}
+      DB_PASSWORD: ${DB_PASSWORD}
+      SECRET_KEY: ${SECRET_KEY}
+      SITE_ROOT: ${SITE_ROOT}
+      SITE_NAME: ${SITE_NAME}
+      ALLOWED_HOSTS: ${ALLOWED_HOSTS}
+      PING_ENDPOINT: ${PING_ENDPOINT}
+      REGISTRATION_OPEN: ${REGISTRATION_OPEN}
+      DEFAULT_FROM_EMAIL: ${DEFAULT_FROM_EMAIL}
+      EMAIL_HOST: ${EMAIL_HOST}
+      EMAIL_PORT: ${EMAIL_PORT}
+      EMAIL_HOST_USER: ${EMAIL_HOST_USER}
+      EMAIL_HOST_PASSWORD: ${EMAIL_HOST_PASSWORD}
+      EMAIL_USE_TLS: ${EMAIL_USE_TLS}
+
+  db:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: ${DB_NAME}
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+    volumes:
+      - healthchecks-db:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  healthchecks-db:

blueprints/healthchecks/meta.json

@@ -0,0 +1,13 @@
+{
+  "id": "healthchecks",
+  "name": "Healthchecks",
+  "version": "v4.4",
+  "description": "Healthchecks is an open-source cron job and background task monitoring service that alerts you when your scheduled jobs fail to check in. Registration is closed by default: create the first admin by running ./manage.py createsuperuser in the healthchecks container terminal.",
+  "logo": "healthchecks.svg",
+  "links": {
+    "github": "https://github.com/healthchecks/healthchecks",
+    "website": "https://healthchecks.io/",
+    "docs": "https://healthchecks.io/docs/self_hosted_docker/"
+  },
+  "tags": ["monitoring", "cron", "alerting"]
+}

blueprints/healthchecks/template.toml

@@ -0,0 +1,29 @@
+[variables]
+main_domain = "${domain}"
+db_password = "${password:32}"
+secret_key = "${password:64}"
+
+[config]
+env = [
+  "DEBUG=False",
+  "DB_NAME=healthchecks",
+  "DB_USER=healthchecks",
+  "DB_PASSWORD=${db_password}",
+  "SECRET_KEY=${secret_key}",
+  "SITE_ROOT=https://${main_domain}",
+  "SITE_NAME=Healthchecks",
+  "ALLOWED_HOSTS=${main_domain}",
+  "PING_ENDPOINT=https://${main_domain}/ping/",
+  "REGISTRATION_OPEN=False",
+  "DEFAULT_FROM_EMAIL=healthchecks@${main_domain}",
+  "EMAIL_HOST=",
+  "EMAIL_PORT=587",
+  "EMAIL_HOST_USER=",
+  "EMAIL_HOST_PASSWORD=",
+  "EMAIL_USE_TLS=True",
+]
+
+[[config.domains]]
+serviceName = "healthchecks"
+port = 8000
+host = "${main_domain}"