e-li-nps/Dockerfile
2026-01-01 20:11:56 -03:00

54 lines
1.3 KiB
Docker

# syntax=docker/dockerfile:1
# Build stage
FROM golang:1.22-alpine AS build
WORKDIR /src
# Dependências do build
RUN apk add --no-cache git ca-certificates
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# Build do WASM do widget (regras de negócio no cliente)
# Importante: a compilação do WASM exige GOOS=js/GOARCH=wasm.
RUN GOOS=js GOARCH=wasm go build -trimpath -ldflags="-s -w" -o web/static/e-li.nps.wasm ./cmd/widgetwasm
# Copia o runtime JS do Go para WASM (Go class, polyfills).
# Observação: o caminho do wasm_exec.js pode variar por distribuição do Go.
RUN GOROOT="$(go env GOROOT)" \
&& (cp "$GOROOT/misc/wasm/wasm_exec.js" web/static/wasm_exec.js \
|| cp "$GOROOT/lib/wasm/wasm_exec.js" web/static/wasm_exec.js)
# Build do binário
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
go build -trimpath -ldflags="-s -w" -o /out/server ./cmd/server
# Runtime stage
FROM alpine:3.20
RUN apk add --no-cache ca-certificates tzdata
WORKDIR /app
# Binário
COPY --from=build /out/server /app/server
# Entry point (exige /app/.env montado via volume)
COPY docker-entrypoint.sh /app/docker-entrypoint.sh
RUN chmod +x /app/docker-entrypoint.sh
# Assets/templates (o servidor lê do filesystem)
COPY web/ /app/web/
COPY README.md /app/README.md
# Variáveis default
ENV ADDR=":8080"
EXPOSE 8080
ENTRYPOINT ["/app/docker-entrypoint.sh"]