Dockerfile

FROM nginxinc/nginx-s3-gateway

ENV S3_BUCKET_NAME "bucket"
ENV AWS_ACCESS_KEY_ID "aaaa"
ENV AWS_SECRET_ACCESS_KEY "aaaa"
ENV S3_SERVER "aaaaa"
ENV S3_SERVER_PORT "80"
ENV S3_SERVER_PROTO "http"
ENV S3_REGION "us-east-1"
ENV S3_STYLE "path"
ENV DEBUG "false"
ENV AWS_SIGS_VERSION "4"
ENV ALLOW_DIRECTORY_LIST "true"
ENV PROVIDE_INDEX_PAGE "true"
ENV NGINX_ENTRYPOINT_QUIET_LOGS "true"

COPY etc/nginx/conf.d /etc/nginx/conf.d 

COPY . /var/uploads

modifications.conf

## location: etc/nginx/conf.d/modifications.conf
location /foo/bar {
  return 200 "This is the custom location";
}

s3_server.conf

## location: etc/nginx/conf.d/gateway/s3_server.conf
location /local/health {
    return 200;
}