Some research on elasticsearch

content/research/_index.md

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+title = "Research Notes"
+transparent = true
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+
+<div class="post">
+	<h1 class="post-title">{{ section.title }}</h1>
+
+	<ul>
+		{% for term in section.pages %}
+		<li class="tag-list">
+			<a href="{{ term.permalink | safe }}">
+				{{ term.title }} 
+			</a>
+		</li>
+		{% endfor %}
+	</ul>
+</div>

content/research/elastic.md

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+title = "ElasticSearch"
+
+[taxonomies]
+tags = ["research", "elastic", "elasticsearch", "docker"]
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+
+## Docker image
+
+```
+docker pull docker.elastic.co/elasticsearch/elasticsearch:7.8.0
+```
+
+## Start
+
+```
+docker run -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:7.8.0
+```
+
+- Port 9200: REST interface.
+- Port 9300: Inter-node communication.
+- `discovery.type`: Just one node, no discovery needed.
+
+## Definitions
+
+- MySQL => Databases => Tables => Columns/Rows
+- Elasticsearch => Indices => Types => Documents with Properties
+
+## Adding information (REST)
+
+```
+POST /<index>/_doc/
+```