Dockerfile and docker-compose example

.env.example

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+GF_ADMIN_USER=admin
+GF_ADMIN_PASSWORD=notadmin
+ZCASHD_RPCUSER=zcashrpc
+ZCASHD_RPCPASSWORD=notsecure
+ZCASHD_ALLOWIP=0.0.0.0/0
+ZCASHD_DATADIR=/srv/zcashd/.zcash
+ZCASHD_PARMDIR=/srv/zcashd/.zcash-params
+ZCASHD_NETWORK=testnet
+ZCASHD_GEN=0

.gitignore

@@ -1 +1,2 @@
 zcashd_exporter
+.env

Dockerfile

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+FROM golang:1.13
+
+ADD . /go/src/github.com/zcash-hackworks/zcashd_exporter
+
+RUN go get github.com/zcash-hackworks/zcashd_exporter
+RUN go install github.com/zcash-hackworks/zcashd_exporter
+
+ENTRYPOINT ["zcashd_exporter"]
+CMD ["--help"]

docker-compose.yml

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+---
+version: '2'
+
+services:
+  zcashd:
+    image: gcr.io/zcash-web/zcashd:latest
+    volumes:
+      - $ZCASHD_DATADIR:/srv/zcashd/.zcash
+      - $ZCASHD_PARMDIR:/srv/zcashd/.zcash-params
+    environment:
+      - ZCASHD_RPCUSER=$ZCASHD_RPCUSER
+      - ZCASHD_RPCPASSWORD=$ZCASHD_RPCPASSWORD
+      - ZCASHD_NETWORK=$ZCASHD_NETWORK
+      - ZCASHD_ALLOWIP=$ZCASHD_ALLOWIP
+    mem_limit: 4G
+    ports:
+      - "28332:28332"
+      - "18232:18232"
+  zcashd_exporter:
+    build: .
+    environment:
+      - ZCASHD_RPCUSER=$ZCASHD_RPCUSER
+      - ZCASHD_RPCPASSWORD=$ZCASHD_RPCPASSWORD
+    command:
+      - --rpc.host=zcashd
+      - --rpc.port=18232
+      - --rpc.user=$ZCASHD_RPCUSER
+      - --rpc.password=$ZCASHD_RPCPASSWORD
+    ports:
+      - "9100:9100"
+
+  grafana:
+    image: grafana/grafana:6.4.3
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_ADMIN_USER=$GF_ADMIN_USER
+      - GF_ADMIN_PASSWORD=$GF_ADMIN_PASSWORD
+  prometheus:
+    image: prom/prometheus:v2.13.1
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./docker/prometheus/config.yml:/etc/prometheus/prometheus.yml
+

docker/prometheus/config.yml

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+# my global config
+global:
+  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
+  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
+  # scrape_timeout is set to the global default (10s).
+  
+# Alertmanager configuration
+alerting:
+  alertmanagers:
+  - static_configs:
+    - targets:
+      # - alertmanager:9093
+  
+# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
+rule_files:
+  # - "first_rules.yml"
+  # - "second_rules.yml"
+  
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'prometheus'
+    # metrics_path defaults to '/metrics'
+    # scheme defaults to 'http'.
+    static_configs:
+    - targets: ['localhost:9090']
+  - job_name: 'zcashd_exporter'
+    static_configs:
+    - targets: ['zcashd_exporter:9100']