Dockerfile

ARG arch
FROM --platform=linux/amd64 golang:alpine AS build

RUN apk add --no-cache curl git alpine-sdk

ARG SWAGGER_UI_VERSION=4.8.0

RUN curl -sfL https://github.com/swagger-api/swagger-ui/archive/v$SWAGGER_UI_VERSION.tar.gz | tar xz -C /tmp/ \
    && mv /tmp/swagger-ui-$SWAGGER_UI_VERSION /tmp/swagger \
    && sed -i 's#"https://petstore\.swagger\.io/v2/swagger\.json"#"./swagger.json"#g' /tmp/swagger/dist/index.html

RUN go install github.com/go-swagger/go-swagger/cmd/swagger@latest
RUN go install github.com/GeertJohan/go.rice/rice@latest

WORKDIR $GOPATH/src/github.com/servian/TechChallengeApp

COPY . .

RUN go mod tidy

RUN CGO_ENABLED="0" GOARCH=${arch} go build -ldflags="-s -w" -a -o /TechChallengeApp
RUN swagger generate spec -o /swagger.json \
 && cp /swagger.json ui/assets/swagger/ \
 && cp -R /tmp/swagger/dist/* ui/assets/swagger

RUN cd ui && rice append --exec /TechChallengeApp

FROM --platform=linux/${arch} alpine:latest

WORKDIR /TechChallengeApp

COPY conf.toml ./conf.toml
COPY --from=build /TechChallengeApp TechChallengeApp

ENTRYPOINT [ "./TechChallengeApp" ]