refactor: add healthchecks to backend images

backend/backend/Dockerfile

@@ -10,3 +10,5 @@ WORKDIR /app
 
 EXPOSE 3000
 ENTRYPOINT ["node", "app.js"]
+
+HEALTHCHECK --interval=10s --timeout=5s --start-period=10s --retries=12 CMD curl -s --fail --request POST --data '{}' --header 'Content-Type: application/json' http://localhost:3000/ >/dev/null || exit 1

backend/database/Dockerfile

@@ -15,3 +15,5 @@ RUN chown elasticsearch:elasticsearch config/elasticsearch.yml
 USER elasticsearch
 
 CMD ["/usr/share/elasticsearch/bin/elasticsearch"]
+
+HEALTHCHECK --interval=10s --timeout=5s --start-period=60s --retries=12 CMD curl --fail -s http://localhost:9200/ >/dev/null || exit 1

backend/database/config/elasticsearch.yml

@@ -3,3 +3,4 @@ discovery.type: "single-node"
 cluster.routing.allocation.disk.threshold_enabled: false
 network.bind_host: 0.0.0.0
 xpack.security.enabled: false
+ingest.geoip.downloader.enabled: false