Code package dependencies are managed using the GO Module.Update Dock…

…erfile

Dockerfile

@@ -1,28 +1,28 @@
-FROM golang:1.9-alpine as builder
+FROM golang:1.12 as build
 
-RUN apk add -U git \
-    && go get github.com/golang/dep/...
+ENV GO111MODULE on
+ENV GOPROXY "https://goproxy.io"
 
-WORKDIR /go/src/github.com/evildecay/etcdkeeper
+WORKDIR /opt
+RUN mkdir etcdkeeper
+ADD . /opt/etcdkeeper
+WORKDIR /opt/etcdkeeper/src/etcdkeeper
 
-ADD src ./
-ADD Gopkg.* ./
+RUN go mod download \
+    && go build -o etcdkeeper.bin main.go
 
-RUN dep ensure -update \
-    && go build -o etcdkeeper.bin etcdkeeper/main.go
 
-
-FROM alpine:3.7
+FROM alpine:3.10
 
 ENV HOST="0.0.0.0"
 ENV PORT="8080"
 
-RUN apk add --no-cache ca-certificates
+# RUN apk add --no-cache ca-certificates
 
-RUN apk add --no-cache ca-certificates
+RUN mkdir /lib64 && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2
 
-WORKDIR /etcdkeeper
-COPY --from=builder /go/src/github.com/evildecay/etcdkeeper/etcdkeeper.bin .
+WORKDIR /opt/etcdkeeper
+COPY --from=build /opt/etcdkeeper/src/etcdkeeper/etcdkeeper.bin .
 ADD assets assets
 
 EXPOSE ${PORT}

docker-compose.yml

@@ -1,24 +1,27 @@
-version: '3.5'
+# Just as an example, not as a formally deployed configuration.
+# Because the actual production may deploy the etcd cluster, there is no cluster related to etcd.
 
-services:
-  etcd:
-    image: "quay.io/coreos/etcd:v3.3"
-    container_name: "etcd"
-    environment:
-      ETCD_ADVERTISE_CLIENT_URLS: "http://0.0.0.0:2379"
-      ETCD_LISTEN_CLIENT_URLS: "http://0.0.0.0:2379"
-      ETCDCTL_API: "2"
-    ports:
-    - 2379:2379
-    - 2380:2380
-    - 4001:4001
-
-  etcdkeeper:
-    build: .
-    container_name: "etcdkeeper"
-    environment:
-      HOST: "0.0.0.0"
-    ports:
-    - 12000:8080
-    depends_on:
-    - etcd
+#version: '1.0'
+#
+#services:
+#  etcd:
+#    image: "quay.io/coreos/etcd:v3.3"
+#    container_name: "etcd"
+#    environment:
+#      ETCD_ADVERTISE_CLIENT_URLS: "http://0.0.0.0:2379"
+#      ETCD_LISTEN_CLIENT_URLS: "http://0.0.0.0:2379"
+#      ETCDCTL_API: "2"
+#    ports:
+#    - 2379:2379
+#    - 2380:2380
+#    - 4001:4001
+#
+#  etcdkeeper:
+#    build: .
+#    container_name: "etcdkeeper"
+#    environment:
+#      HOST: "0.0.0.0"
+#    ports:
+#    - 12000:8080
+#    depends_on:
+#    - etcd

src/etcdkeeper/go.mod

@@ -0,0 +1,39 @@
+module etcdkeeper
+
+go 1.12
+
+require (
+	github.com/coreos/bbolt v1.3.3 // indirect
+	github.com/coreos/etcd v3.3.15+incompatible
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect
+	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
+	github.com/gogo/protobuf v1.3.0 // indirect
+	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
+	github.com/google/btree v1.0.0 // indirect
+	github.com/google/uuid v1.1.1 // indirect
+	github.com/gorilla/websocket v1.4.1 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.11.1 // indirect
+	github.com/jonboulle/clockwork v0.1.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/prometheus/client_golang v1.1.0 // indirect
+	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 // indirect
+	github.com/soheilhy/cmux v0.1.4 // indirect
+	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
+	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
+	go.etcd.io/bbolt v1.3.3 // indirect
+	go.uber.org/atomic v1.4.0 // indirect
+	go.uber.org/multierr v1.1.0 // indirect
+	go.uber.org/zap v1.10.0 // indirect
+	golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739 // indirect
+	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect
+	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
+	google.golang.org/appengine v1.4.0 // indirect
+	google.golang.org/genproto v0.0.0-20190905072037-92dd089d5514 // indirect
+	google.golang.org/grpc v1.23.0 // indirect
+	sigs.k8s.io/yaml v1.1.0 // indirect
+)