追記 Go 1.15から、タイムゾーンデータベースをバイナリに埋め込むことができるようになりました。 -tags timetzdata https://go.dev/doc/go1.15#time/tzdata RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -tags timetzdata -ldflags="-w -s" -o /go/bin/myapp FROM golang:1.14.2-alpine3.11 AS builder RUN apk --update-cache add tzdata WORKDIR $GOPATH/src/mypackage/myapp/ COPY . . RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o
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