feat: add ingest-attachment plugin (#6)

.drone.yml

@@ -18,6 +18,8 @@ steps:
 - name: dryrun
   image: plugins/docker
   settings:
+    build_args:
+    - ELASTICSEARCH_PLUGINS=repository-s3 ingest-attachment
     dockerfile: Dockerfile
     dry_run: true
     repo: owncloudops/${DRONE_REPO_NAME}
@@ -35,6 +37,8 @@ steps:
 - name: publish
   image: plugins/docker
   settings:
+    build_args:
+    - ELASTICSEARCH_PLUGINS=repository-s3 ingest-attachment
     dockerfile: Dockerfile
     password:
       from_secret: docker_password

Dockerfile

@@ -8,6 +8,8 @@ LABEL org.opencontainers.image.source="https://github.com/owncloud-ops/elasticse
 LABEL org.opencontainers.image.documentation="https://github.com/owncloud-ops/elasticsearch"
 
 ARG GOMPLATE_VERSION
+ARG ELASTICSEARCH_PLUGINS
+
 
 # renovate: datasource=github-releases depName=hairyhenderson/gomplate
 ENV GOMPLATE_VERSION="${GOMPLATE_VERSION:-v3.9.0}"
@@ -22,7 +24,7 @@ RUN yum install -y -q wget curl && \
     mkdir -p /usr/share/elasticsearch/backup && \
     chown -R elasticsearch:root /usr/share/elasticsearch/backup && \
     chmod 755 /usr/share/elasticsearch/backup && \
-    /usr/share/elasticsearch/bin/elasticsearch-plugin install repository-s3 -b -s && \
+    for PLUGIN in ${ELASTICSEARCH_PLUGINS}; do /usr/share/elasticsearch/bin/elasticsearch-plugin install -s -b "${PLUGIN}" || exit 1; done && \
     yum clean all
 
 USER 1000

README.md

@@ -16,6 +16,11 @@ Custom Docker image for [ElasticSearch](https://github.com/elastic/elasticsearch
 - /usr/share/elasticsearch/backup
 - /usr/share/elasticsearch/log
 
+## Bundled Plugins
+
+- repository-s3
+- ingest-attachment
+
 ## Environment Variables
 
 ```Shell