gohorsejobs/backend/Dockerfile
2026-01-31 15:40:54 -03:00

38 lines
No EOL
1.1 KiB
Docker

FROM mirror.gcr.io/library/golang:1.24-alpine AS builder
RUN sed -i 's/dl-cdn.alpinelinux.org/uk.alpinelinux.org/g' /etc/apk/repositories && \
apk add --no-cache git ca-certificates tzdata
WORKDIR /build
COPY go.mod go.sum ./
# --mount=type=cache permite que o Go use cache de módulos entre builds sem inflar a imagem
RUN --mount=type=cache,target=/go/pkg/mod \
go mod download && go mod verify
COPY . .
# Ajuste: -p 2 para não estressar a CPU do servidor e causar Erro 500 no Forgejo
RUN --mount=type=cache,target=/root/.cache/go-build \
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
-p 2 \
-ldflags="-s -w" \
-trimpath \
-o /app/main ./cmd/api
FROM scratch AS runner
COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /app/main /main
COPY --from=builder /build/migrations /migrations
# GOGC=50 é agressivo (bom para economizar RAM), mas aumenta uso de CPU.
# Se o servidor estiver travando por CPU, tente GOGC=100.
ENV PORT=8521 \
TZ=America/Sao_Paulo \
GODEBUG=netdns=go \
GOGC=50
EXPOSE 8521
ENTRYPOINT ["/main"]