Working with S3 instead of Minio - no artifacts found and blank releases page

@mirzak Sure, here it is (but with some of the sensitive data such as hostnames and auth keys replaced):

# this is a template file for production setup, consult
# https://docs.docker.com/compose/compose-file/ for details on syntax and usage
#
# Notes:
# - integration/docker-compose.yml file is assumed to be included
# - integration/docker-compose.storage.minio.yml is assumed to be included
# - all services are part of `mender` network (service names are unchanged)
# - keys and certificates are generated using keygen utility from integration
#   repository, keys and certificates are stored in ./keys-generated directory
# - certificates and key are mounted into containers using volumes
# - minio artifacts are stored in a named volume `mender-artifacts`; volume
#   needs to be created manually using `docker volume create mender-artifacts`
# - paths need to be adjusted, ie, replace /production/ with production directory
#   (see list of compose bugs)

# related compose bugs:
# - https://github.com/docker/compose/issues/3874
# - https://github.com/docker/compose/issues/3568
# - https://github.com/docker/compose/issues/3219

version: '2'
services:

    mender-useradm:
        command: server --automigrate
        volumes:
            - /etc/letsencrypt/live/my.mender.server/privkey.rsa:/etc/useradm/rsa/private.pem:ro
        logging:
            options:
                max-file: "10"
                max-size: "50m"

    mender-device-auth:
        command: server --automigrate
        volumes:
            - /etc/letsencrypt/live/my.mender.server/privkey.rsa:/etc/deviceauth/rsa/private.pem:ro
        logging:
            options:
                max-file: "10"
                max-size: "50m"
        environment:
            DEVICEAUTH_MAX_DEVICES_LIMIT_DEFAULT: 15

    mender-inventory:
        command: server --automigrate
        logging:
            options:
                max-file: "10"
                max-size: "50m"

    mender-api-gateway:
        ports:
            # list of ports API gateway is made available on
            - "443:443"
        networks:
            - mender
        volumes:
            - /etc/letsencrypt/live/my.mender.server/fullchain.pem:/var/www/mendersoftware/cert/cert.crt:ro
            - /etc/letsencrypt/live/my.mender.server/privkey.rsa:/var/www/mendersoftware/cert/private.key:ro
        logging:
            options:
                max-file: "10"
                max-size: "50m"
        environment:
            ALLOWED_HOSTS: my.mender.server

 #   storage-proxy:
 #       ports:
  #          # outside port mapping for artifact storage (note that storage-proxy listens on port 9000)
  #          - "9000:9000"
  #      networks:
  #          mender:
  #              aliases:
  #                  # change the alias to DNS name that storage will be
  #                  # available on, for instance if devices will access storage
  #                  # using https://s3.acme.org:9000, then set this to
  #                  # s3.acme.org
  #                  - my.minio.server
  #      environment:

  #          # use nginx syntax for rate limiting, see
  #          # https://nginx.org/en/docs/http/ngx_http_core_module.html#limit_rate
  #          # Examples:
  #          #   1m - 1MB/s
  #          #   512k - 512kB/s
  #          DOWNLOAD_SPEED: 1m
  #          MAX_CONNECTIONS: 100
  #      volumes:
  #          - /etc/letsencrypt/live/my.minio.server/fullchain.pem:/var/www/storage-proxy/cert/cert.crt:ro
  #          - /etc/letsencrypt/live/my.minio.server/privkey.rsa:/var/www/storage-proxy/cert/private.key:ro
  #          - ./storage-proxy/nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf

    mender-deployments:
        command: server --automigrate
        volumes:
            - /etc/letsencrypt/live/my.mender.server/fullchain.pem:/var/www/storage-proxy/cert/cert.crt:ro
        environment:
            STORAGE_BACKEND_CERT: /etc/ssl/certs/storage-proxy.crt
            DEPLOYMENTS_AWS_AUTH_KEY: MY-AUTH-KEY
            DEPLOYMENTS_AWS_AUTH_SECRET: MY-SECRET-KEY

            # deployments service uses signed URLs, hence it needs to access
            # storage-proxy using exactly the same name as devices will; if
            # devices will access storage using https://s3.acme.org:9000, then
            # set this to https://s3.acme.org:9000
            DEPLOYMENTS_AWS_URI: https://s3-eu-west-2.amazonaws.com
        logging:
            options:
                max-file: "10"
                max-size: "50m"

   # minio:
   #     environment:
   #         # access key
   #         MINIO_ACCESS_KEY: MINIO-ACCESS-KEY
   #         # secret
   #         MINIO_SECRET_KEY: MINIO-SECRET-KEY
   #     volumes:
   #         # mounts a docker volume named `mender-artifacts` as /export directory
   #         - mender-artifacts:/export:rw
   #         - /etc/letsencrypt/live/my.minio.server/fullchain.pem:/root/.minio/certs/public.key:ro
   #         - /etc/letsencrypt/live/my.minio.server/privkey.rsa:/root/.minio/certs/public.key:ro

    mender-conductor:
        volumes:
            - ./conductor/server/config:/app/config
        environment:
            - CONFIG_PROP=config.properties

    mender-mongo:
        volumes:
            - mender-db:/data/db:rw
    mender-elasticsearch:
        volumes:
            - mender-elasticsearch-db:/usr/share/elasticsearch/data:rw
            - ./conductor/elasticsearch/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
    mender-redis:
        volumes:
            - mender-redis-db:/var/lib/redis:rw
            - ./conductor/redis/redis.conf:/etc/redis/redis.conf
            - ./conductor/redis/entrypoint.sh:/redis/entrypoint.sh
        entrypoint: /redis/entrypoint.sh

volumes:
    # mender artifacts storage
    mender-artifacts:
      external:
          # use external volume created manually
          name: mender-artifacts
    # mongo service database
    mender-db:
      external:
          # use external volume created manually
          name: mender-db
    # elasticsearch database
    mender-elasticsearch-db:
      external:
          # use external volume created manually
          name: mender-elasticsearch-db
    # redis database
    mender-redis-db:
      external:
          # use external volume created manually
          name: mender-redis-db