Add docker files for easier development setup

README.md

@@ -20,6 +20,16 @@ To install the plugin, run the following command, changing the version in URL to
 bin/elasticsearch-plugin install https://github.com/EvidentSolutions/elasticsearch-analysis-raudikko/releases/download/v0.1.1/elasticsearch-analysis-raudikko-0.1.1-es7.16.3.zip
 ```
 
+### Docker
+Building the plugin and running with docker
+```
+./gradlew build --DelastisearchVersion=8.5.3
+cd etc
+docker compose build --build-arg "ES_VERSION=8.5.3"
+docker compose up
+```
+Elasticsearch should be running and available at port 9200
+
 ### Verify installation
 
 After installing the plugin, you can quickly verify that it works by executing:

etc/Dockerfile

@@ -0,0 +1,8 @@
+ARG ES_VERSION=8.5.3
+FROM elasticsearch:${ES_VERSION}
+# Needs to repeat the ARG here or it won't work
+# https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
+ARG ES_VERSION
+COPY /build/distributions/elasticsearch-analysis-raudikko-0.1-es${ES_VERSION}.zip /install/elasticsearch-analysis-raudikko.zip
+RUN /usr/share/elasticsearch/bin/elasticsearch-plugin install \
+    --batch file:///install/elasticsearch-analysis-raudikko.zip \

etc/docker-compose.yml

@@ -0,0 +1,19 @@
+version: "3.9"
+services:
+  elasticsearch:
+    build:
+      dockerfile: /etc/Dockerfile
+      context: ../
+      # change version here or use
+      # docker compose build --build-arg "ES_VERSION=<custom_version>"
+      #args:
+        #ES_VERSION: 8.5.3
+    ports:
+      - "9200:9200"
+    environment:
+      - discovery.type=single-node
+      - ES_JAVA_OPTS=-Xms1g -Xmx1g
+      - xpack.security.enabled=false
+    # NOTE on WSL needed to adjust following
+    # wsl -d docker-desktop
+    # sysctl -w vm.max_map_count=262144

etc/test-analyzer.http

@@ -1,3 +1,4 @@
+### test analyzer
 GET localhost:9200/_analyze
 Content-Type: application/json; charset=UTF-8
 
@@ -6,3 +7,12 @@ Content-Type: application/json; charset=UTF-8
   "filter" : ["raudikko"],
   "text" : "Testataan raudikon analyysiä tällä tavalla yksinkertaisesti."
 }
+
+### check status
+GET http://localhost:9200/_cluster/health?pretty
+
+### check version
+GET http://localhost:9200
+
+### show plugins
+GET http://localhost:9200/_cat/plugins?v=true&s=component&h=component,version,description