boc/backend/Dockerfile

# BOC Backend Dockerfile
# Multi-stage build for minimal image

FROM golang:1.22-alpine AS builder

WORKDIR /app

# Install dependencies
RUN apk add --no-cache git

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

# Copy source
COPY . .

# Build
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o boc .

# Final stage
FROM alpine:latest

RUN apk --no-cache add ca-certificates

WORKDIR /app

# Copy binary
COPY --from=builder /app/boc .
COPY --from=builder /app/db/migrations ./db/migrations

# Create non-root user
RUN addgroup -g 1000 -S boc && \
    adduser -u 1000 -S boc -G boc

USER boc

EXPOSE 9092

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget -qO- http://localhost:9092/health || exit 1

CMD ["./boc"]