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version: "3.8"
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services:
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  redis:
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    image: redis:7-alpine
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    restart: always
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  postgres:
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    # 原版 postgres 镜像不支持 pgvector 扩展，所以需要用这个镜像
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    image: pgvector/pgvector:0.8.1-pg18-trixie
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    restart: always
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    environment:
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      POSTGRES_DB: discourse
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      POSTGRES_USER: discourse
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      POSTGRES_PASSWORD: ${DB_PASS}
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    volumes:
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      - postgres-data:/var/lib/postgresql/data
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  discourse:
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    # VMWare 的 Bitnami 镜像已经转收费了，这里用 public.ecr.aws 上的免费版
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    image: public.ecr.aws/bitnami/discourse:latest
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    restart: always
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    depends_on:
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      - postgres
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      - redis
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    environment:
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      DISCOURSE_HOSTNAME: ${DOMAIN}
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      DISCOURSE_DATABASE_NAME: discourse
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      DISCOURSE_DATABASE_USER: discourse
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      DISCOURSE_DATABASE_PASSWORD: ${DB_PASS}
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      DISCOURSE_DATABASE_HOST: postgres
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      DISCOURSE_REDIS_HOST: redis
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      DISCOURSE_SMTP_HOST: ${SMTP_HOST}
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      DISCOURSE_SMTP_PORT: ${SMTP_PORT}
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      DISCOURSE_SMTP_USER: ${SMTP_USER}
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      DISCOURSE_SMTP_PASSWORD: ${SMTP_PASS}
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      DISCOURSE_SMTP_PROTOCOL: tls
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      DISCOURSE_EMAIL: ${ADMIN_EMAIL}
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      DISCOURSE_POSTGRESQL_EXTENSIONS: unaccent,pg_trgm,btree_gist
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      DISCOURSE_SKIP_BOOTSTRAP: "yes" # 稍后再进行初始化
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      BITNAMI_DEBUG: true
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    volumes:
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      - discourse-data:/bitnami/discourse
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    # 暴露端口
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    # ports:
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    #  - "3000:3000"
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    # 或者用 Traefik
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    # labels:
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    #  - "traefik.enable=true"
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    #  - ...