Dockerfile.dev

FROM golang:1.24.5-alpine AS deps
LABEL stage="deps"

RUN apk add --no-cache \
    ca-certificates \
    git \
    curl

WORKDIR /app

COPY go.mod go.sum ./

RUN go mod download && \
    go mod verify

FROM deps AS builder
LABEL stage="builder"

COPY . .

ARG CGO_ENABLED=0
ARG GOOS=linux
ARG GOARCH=amd64

RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${GOOS} GOARCH=${GOARCH} \
    go build -ldflags="-s -w -extldflags '-static'" -o /tmp/app ./app/main.go


FROM alpine:3.20 AS runtime
LABEL stage="runtime"

RUN apk add --no-cache \
    ca-certificates \
    curl \
    tzdata && \
    update-ca-certificates

RUN addgroup -g 1001 -S appgroup && \
    adduser -u 1001 -S appuser -G appgroup

WORKDIR /app

COPY --from=builder --chown=appuser:appgroup /tmp/app ./app

RUN chmod +x ./app

USER appuser

ENV GIN_MODE=release
ENV LOCAL=true

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/health || exit 1

CMD ["./app"]