- start migrating tile-server to use Ktor

- start splitting up Kafka processor and tile-server to two subprojects

modules/events-server/docker/Dockerfile

@@ -9,7 +9,7 @@ WORKDIR /app
 ENV SERVER_PORT=8080
 EXPOSE $SERVER_PORT
 
-ENV TILE_DIR="/app/tiles"
+ENV SERVER_DATA_DIR="/app/data"
 ENV KAFKA_STREAMS_STATE_DIR="/app/kafka-state"
 VOLUME ${TILE_DIR} \
        ${KAFKA_STREAMS_STATE_DIR}

modules/events-server/docker/docker-compose.yml

@@ -14,7 +14,7 @@ services:
         DIST_DIR: "./build/distributions/"
     environment:
       KAFKA_BOOTSTRAP_SERVERS: "http://kafka:29092"
-      # KAFKA_STREAMS_STATE_DIR: "http://kafka:29092"
+      # KAFKA_STREAMS_STATE_DIR: ""
       SERVER_PORT: "8080"
     ports:
       - "12080:8080" # http and ws