Dockerfile

# Build stage
FROM golang:1.22-alpine AS builder

WORKDIR /app

# Install build dependencies
RUN apk add --no-cache git ca-certificates

# Copy go mod files
COPY go.mod go.sum* ./
RUN go mod download

# Copy source code
COPY . .

# Build binary
ARG VERSION=dev
ARG COMMIT=none
ARG DATE=unknown

RUN CGO_ENABLED=0 GOOS=linux go build \
    -ldflags="-s -w -X main.version=${VERSION} -X main.commit=${COMMIT} -X main.date=${DATE}" \
    -o /mimir ./cmd/mimir

# Runtime stage
FROM alpine:3.19

RUN apk add --no-cache ca-certificates tzdata

# Create non-root user
RUN adduser -D -g '' mimir
USER mimir

WORKDIR /app

# Copy binary from builder
COPY --from=builder /mimir /app/mimir

EXPOSE 8080

ENTRYPOINT ["/app/mimir"]