ing

Dockerfile

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+FROM alpine:3.7
+
+# grab su-exec for easy step-down from root
+RUN apk add --no-cache curl
+
+COPY _docker/config/* /etc/overflow/config/
+COPY _docker/bin/* /usr/local/overflow/bin/
+COPY dist/consumer_metric /usr/local/overflow/bin/
+
+RUN mkdir -p /var/overflow/logs; \
+    chmod +x /usr/local/overflow/bin/docker-entrypoint.sh /usr/local/overflow/bin/consumer_metric;
+
+ENV TINI_VERSION='0.17.0'
+
+# Use tini as subreaper in Docker container to adopt zombie processes
+RUN curl -fsSL https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini-static-amd64 -o /bin/tini && chmod +x /bin/tini
+
+EXPOSE 80
+
+ENTRYPOINT ["/bin/tini", "--"]
+CMD ["/usr/local/overflow/bin/docker-entrypoint.sh"]

_docker/bin/docker-entrypoint.sh

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+#!/bin/sh
+set -e
+
+exec /usr/local/overflow/bin/consumer_metric -config-dir=/etc/overflow/config

_docker/config/config.json

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+{
+  "external": {
+    "grpc": {
+      "network": "tcp4",
+      "address": "central:9111"
+    },
+    "kafka": {
+      "consumers": {
+        "metric": {
+          "brokers": [
+            "kafka1:9092"
+          ],
+          "groupID": "overflow-metric-group-id",
+          "topic": "overflow-metric-topic",
+          "minBytes": 10000,
+          "maxBytes": 1000000
+        }
+      }
+    },
+    "influxDB": {
+      "clientConfigs": {
+        "metric": {
+          "clientType": "http",
+          "address": "influxdb:18086"
+        }
+      },
+      "batchPointsConfigs": {
+        "metric": {
+          "database": "metric"
+        }
+      }
+    }
+  }
+}

build.sh

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+#!/bin/bash
+
+rm ./dist
+CGO_ENABLED=0 go build -a --installsuffix cgo --ldflags="-s" -o ./dist/consumer_metric
+
+docker build -t docker.loafle.net/overflow/consumer_metric:1.0.0-SNAPSHOT .
+
+docker push docker.loafle.net/overflow/consumer_metric:1.0.0-SNAPSHOT

docker-compose.yml

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+version: "3"
+
+services:
+  consumer_metric:
+    image: docker.loafle.net/overflow/consumer_metric:1.0.0-SNAPSHOT
+    container_name: consumer_metric
+    hostname: consumer_metric
+    restart: always
+    volumes:
+      - /service/overflow/data/consumer_metric/opt/conf:/opt/conf