initial commit

.drone.yml

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+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: docker
+  image: plugins/docker
+  settings:
+    repo: djeeberjr/coredns
+    username: djeeberjr
+    password:
+      from_secret: DOCKER_HUB_TOKEN
+trigger:
+  branch:
+  - master

Dockerfile

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+FROM golang:1.17 as build
+
+RUN git clone https://github.com/coredns/coredns.git /coredns
+
+COPY plugin.cfg /coredns/plugin.cfg
+
+RUN cd /coredns && make
+
+FROM debian:stable-slim as cert
+
+RUN apt-get update && apt-get -uy upgrade
+RUN apt-get -y install ca-certificates && update-ca-certificates
+
+FROM scratch
+
+COPY --from=cert /etc/ssl/certs /etc/ssl/certs
+COPY --from=build /coredns/coredns /coredns
+
+EXPOSE 53 53/udp
+ENTRYPOINT ["/coredns"]

docker-compose.yml

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+version: "3"
+
+services:
+  coredns:
+    build: .
+    image: djeeberjr/coredns
+    ports:
+      - "53:53/udp"