start getting docker images working...

modules/events-server/docker/.dockerignore

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+#
+## exclude hidden dirs .git etc.
+#.*
+#
+## ignore any files that start with '.secret'
+##.secret.*
+#
+#### Gradle ###
+#build/
+#!build/distributions
+#
+#src
+#
+#kafkatorio-tiles/
+#kafka-state/
+##.gradle
+#
+## IntelliJ
+##.idea/
+##out/
+##*.iml

modules/events-server/docker/.env

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+# Do not edit manually. This file was created with task 'dockerEnv'
+COMPOSE_PROJECT_NAME=kafkatorio
+KAFKATORIO_VERSION=0.5.1

modules/events-server/docker/Dockerfile

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+# syntax=docker/dockerfile:1
+
+FROM eclipse-temurin:11-jdk-jammy
+ARG KAFKATORIO_VERSION=0.5.1
+ARG DIST_DIR="../build/distributions/"
+
+WORKDIR /app
+
+ENV SERVER_PORT=8080
+EXPOSE $SERVER_PORT
+
+ENV TILE_DIR="/app/tiles"
+ENV KAFKA_STREAMS_STATE_DIR="/app/kafka-state"
+VOLUME ${TILE_DIR} \
+       ${KAFKA_STREAMS_STATE_DIR}
+
+COPY ${DIST_DIR}/events-server-${KAFKATORIO_VERSION}.tar events-server.tar
+
+RUN tar -xf events-server.tar --strip-components=1 \
+ && rm events-server.tar
+
+ENTRYPOINT /app/bin/events-server

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

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+version: "3.9"
+
+services:
+
+  events-server:
+    image: kafkatorio/events-server:${KAFKATORIO_VERSION}
+    container_name: events-server
+    build:
+      context: ..
+      dockerfile: ./docker/Dockerfile
+      args:
+        KAFKATORIO_VERSION: ${KAFKATORIO_VERSION}
+        DIST_DIR: "./build/distributions/"
+    environment:
+      KAFKA_BOOTSTRAP_SERVERS: "http://kafka:29092"
+      KAFKA_STREAMS_STATE_DIR: "http://kafka:29092"
+      SERVER_PORT: "12081"
+#    ports:
+#      - "12081:12081" # http and ws
+    networks:
+      - "kafka-nw"
+
+networks:
+  kafka-nw:
+    name: "kafka-nw"
+    external: true
+  kafkatorio-nw:
+    name: "kafkatorio-nw"
+    external: true