Add unleash as a service

templates/compose/unleash-with-postgresql.yaml

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+# documentation: https://docs.getunleash.io
+# slogan: Unleash: Open source feature flag management for enterprises
+# tags: unleash,feature flags,feature toggles,ab testing,open source
+# logo: svgs/unleash.svg
+# port: 4242
+
+services:
+  unleash:
+    image: 'unleashorg/unleash-server:latest'
+    environment:
+      - SERVICE_FQDN_UNLEASH_4242
+      - UNLEASH_URL=${SERVICE_FQDN_UNLEASH}
+      - 'DATABASE_URL=postgres://$SERVICE_USER_POSTGRES:$SERVICE_PASSWORD_POSTGRES@postgres/db'
+      - DATABASE_SSL=false
+      - LOG_LEVEL=warn
+      - INIT_FRONTEND_API_TOKENS=default:default:development.unleash-insecure-frontend-api-token
+      - INIT_CLIENT_API_TOKENS=default:development.unleash-insecure-api-token
+    depends_on:
+      postgres:
+        condition: service_healthy
+    command:
+      - node
+      - index.js
+    healthcheck:
+      test: 'wget --no-verbose --tries=1 --spider http://localhost:4242/health || exit 1'
+      interval: 1s
+      timeout: 1m
+      retries: 5
+      start_period: 15s
+  postgres:
+    image: postgres:15
+    volumes:
+      - postgresql-data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_USER=$SERVICE_USER_POSTGRES
+      - POSTGRES_PASSWORD=$SERVICE_PASSWORD_POSTGRES
+      - POSTGRES_DB=db
+    healthcheck:
+      test:
+        - CMD
+        - pg_isready
+        - '--username=$SERVICE_USER_POSTGRES'
+        - '--host=127.0.0.1'
+        - '--port=5432'
+        - '--dbname=db'
+      interval: 2s
+      timeout: 1m
+      retries: 5
+      start_period: 10s