See Docker Images.
Fess is very powerful and easily deployable Enterprise Search Server. You can install and run Fess quickly on any platforms, which have Java runtime environment. Fess is provided under Apache license.
Fess is OpenSearch/Elasticsearch-based search server, but knowledge/experience about OpenSearch/Elasticsearch is NOT needed because of All-in-One Enterprise Search Server. Fess provides Administration GUI to configure the system on your browser. Fess also contains a crawler, which can crawl documents on Web/File System/DB and support many file formats, such as MS Office, pdf and zip.
For more info, access Fess official documentation.
OpenSearch/Elasticsearch needs to set vm.max_map_count to at least 262144. See Important settings.
You can access http://localhost:8080 from the host OS with:
$ git clone https://github.com/codelibs/docker-fess.git
$ cd docker-fess/compose
$ docker compose -f compose.yaml -f compose-opensearch2.yaml up -d
For more details, please see compose.
To build docker images, run as below:
$ docker build --rm -t ghcr.io/codelibs/fess:<tag name> ./fess/<version_dir>/
$ docker build --rm -t ghcr.io/codelibs/fess-opensearch:<tag name> ./opensearch/<version_dir>/
$ docker build --rm -t ghcr.io/codelibs/fess-elasticsearch:<tag name> ./elasticsearch/<version_dir>/