feat(service): add sequin template (#6105)

public/svgs/sequin.svg

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+<g clip-path="url(#clip0_79_7)">
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+</g>
+<defs>
+<linearGradient id="paint0_linear_79_7" x1="300" y1="0" x2="300" y2="600" gradientUnits="userSpaceOnUse">
+<stop stop-color="#666666"/>
+<stop offset="1" stop-color="#343542"/>
+</linearGradient>
+<clipPath id="clip0_79_7">
+<rect width="600" height="600" fill="white"/>
+</clipPath>
+</defs>
+</svg>

templates/compose/sequin.yaml

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+# documentation: https://sequinstream.com/docs/
+# slogan: The fastest Postgres change data capture
+# tags: postgres, sync, data
+# logo: svgs/sequin.svg
+# port: 7376
+
+services:
+  sequin:
+    image: sequin/sequin:latest
+    environment:
+      - SERVICE_FQDN_SEQUIN_7376
+      - SERVER_HOST=${SERVICE_FQDN_SEQUIN}
+      - PG_HOSTNAME=postgres
+      - PG_DATABASE=${POSTGRES_DB:-sequin-db}
+      - PG_PORT=5432
+      - PG_USERNAME=${SERVICE_USER_POSTGRES}
+      - PG_PASSWORD=${SERVICE_PASSWORD_POSTGRES}
+      - PG_POOL_SIZE=20
+      - SECRET_KEY_BASE=${SERVICE_REALBASE64_64_SECRETKEY}
+      - VAULT_KEY=${SERVICE_REALBASE64_VAULTKEY}
+      - REDIS_URL=redis://redis:6379
+      - CONFIG_FILE_PATH=/config/playground.yml
+      - FEATURE_ACCOUNT_SELF_SIGNUP=${FEATURE_ACCOUNT_SELF_SIGNUP:-false}
+      - SEQUIN_TELEMETRY_DISABLED=${SEQUIN_TELEMETRY_DISABLED:-false}
+      - CRASH_REPORTING_DISABLED=${CRASH_REPORTING_DISABLED:-false}
+    depends_on:
+      redis:
+        condition: service_started
+      postgres:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "curl", "http://localhost:7376/health"]
+
+  postgres:
+    image: 'postgres:16'
+    environment:
+      - POSTGRES_DB=${POSTGRES_DB:-sequin-db}
+      - POSTGRES_USER=${SERVICE_USER_POSTGRES}
+      - POSTGRES_PASSWORD=${SERVICE_PASSWORD_POSTGRES}
+    command:
+      - postgres
+      - '-c'
+      - wal_level=logical
+    healthcheck:
+      test:
+        - CMD-SHELL
+        - 'pg_isready -U ${SERVICE_USER_POSTGRES} -d sequin'
+      interval: 10s
+      timeout: 2s
+      retries: 5
+      start_period: 2s
+      start_interval: 1s
+    volumes:
+      - 'postgres_data:/var/lib/postgresql/data'
+
+  redis:
+    image: 'redis:7'
+    command:
+      - redis-server
+      - '--port'
+      - '6379'
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 20s
+      retries: 10
+    volumes:
+      - 'redis_data:/data'