Bump versions

Dockerfile

@@ -1,5 +1,5 @@
 # build image
-FROM golang:1.14-alpine as builder
+FROM golang:1.15-alpine as builder
 RUN apk update && apk add --no-cache git ca-certificates && update-ca-certificates
 
 WORKDIR /app
@@ -8,9 +8,9 @@ COPY . .
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -installsuffix cgo -o /go/bin/kafka-minion
 
 # executable image
-FROM alpine:3.11
+FROM alpine:3
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=builder /go/bin/kafka-minion /go/bin/kafka-minion
 
-ENV VERSION 1.0.1
+ENV VERSION 1.0.2
 ENTRYPOINT ["/go/bin/kafka-minion"]