dockerfile, makefile and readme

cmd/dnsp/.gitignore

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+dnsp

cmd/dnsp/Dockerfile

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+FROM golang:latest
+
+RUN apt-get update
+RUN apt-get install dnsutils -y
+RUN mkdir /app
+ADD *.go /app/
+WORKDIR /app
+RUN go get -u github.com/gophergala/dnsp/...
+RUN go build -o /app/dnsp
+
+EXPOSE 53
+
+ENTRYPOINT ["/app/dnsp"]

cmd/dnsp/Makefile

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+build:
+	docker build . -t dnsp
+serve:
+	docker run --rm -p 53:53/udp dnsp --resolve 8.8.4.4,8.8.8.8 --blacklist=https://hosts-file.net/download/hosts.txt --poll 1h -l 0.0.0.0:53
+debug:
+	docker run --rm -p 5353:53/udp dnsp --resolve 8.8.4.4,8.8.8.8 --blacklist=https://hosts-file.net/download/hosts.txt --poll 1h -l 0.0.0.0:53

cmd/dnsp/README.md

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+# dnsp
+DNSP Server binary and docker file.
+
+### Building Docker Image
+
+`make build`
+
+### Running Docker Container Locally (port 5353)
+
+`make debug`
+
+### Running Docker Container as Server (port 53)
+
+`make serve`

cmd/dnsp/deployment.yaml

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+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: dnsp-home
+  labels:
+    app: dnsp-home
+spec:
+  revisionHistoryLimit: 1
+  replicas: 2
+  selector:
+    matchLabels:
+      app: dnsp-home
+  strategy:
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        app: dnsp-home
+      name: dnsp-home
+    spec:
+      terminationGracePeriodSeconds: 15
+      containers:
+      - args:
+        - --blacklist=https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts
+        - --poll=72h
+        - --resolve=8.8.8.8,4.4.4.4
+        name: "dnsp-home"
+        image: "docker.io/integrii/dnsp"
+        imagePullPolicy: Always
+        resources:
+          requests:
+            memory: "50Mi"
+            cpu: "100m"
+        readinessProbe:
+          exec:
+            command:
+            - "nslookup"
+            - "google.com."
+            - "127.0.0.1"
+          initialDelaySeconds: 5
+          periodSeconds: 5
+          timeoutSeconds: 3
+          failureThreshold: 1
+        livenessProbe:
+          exec:
+            command:
+            - "nslookup"
+            - "google.com."
+            - "127.0.0.1"
+          initialDelaySeconds: 120
+          periodSeconds: 5
+          timeoutSeconds: 3
+          failureThreshold: 1
+        ports:
+          - containerPort: 53
+            name: dns-server
+            protocol: UDP

cmd/dnsp/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: dnsp-home
+  name: dnsp-home
+spec:
+  ports:
+  - port: 53
+    protocol: UDP
+    targetPort: dns-server
+  selector:
+    app: dnsp-home
+  type: LoadBalancer