renz
b206441a4a
- Added --platform=$BUILDPLATFORM to builder stage for cross-compilation - Added TARGETOS and TARGETARCH build args - Pinned Alpine to 3.19 for better QEMU emulation stability - Split apk add commands to prevent trigger failures under QEMU - Fixes ARM64 build failures in CI/CD pipeline
63 lines
1.5 KiB
Docker
63 lines
1.5 KiB
Docker
# Multi-stage build for minimal image size
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FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS builder
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# Build arguments for cross-compilation
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ARG TARGETOS
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ARG TARGETARCH
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# Install build dependencies
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RUN apk add --no-cache git make
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WORKDIR /build
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# Copy go mod files
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy source code
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COPY . .
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# Build binary with cross-compilation support
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RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
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go build -a -installsuffix cgo -ldflags="-w -s" -o dbbackup .
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# Final stage - minimal runtime image
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# Using pinned version 3.19 which has better QEMU compatibility
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FROM alpine:3.19
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# Install database client tools
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# Split into separate commands for better QEMU compatibility
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RUN apk add --no-cache postgresql-client
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RUN apk add --no-cache mysql-client
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RUN apk add --no-cache mariadb-client
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RUN apk add --no-cache pigz pv
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RUN apk add --no-cache ca-certificates tzdata
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# Create non-root user
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RUN addgroup -g 1000 dbbackup && \
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adduser -D -u 1000 -G dbbackup dbbackup
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# Copy binary from builder
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COPY --from=builder /build/dbbackup /usr/local/bin/dbbackup
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RUN chmod +x /usr/local/bin/dbbackup
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# Create backup directory
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RUN mkdir -p /backups && chown dbbackup:dbbackup /backups
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# Set working directory
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WORKDIR /backups
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# Switch to non-root user
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USER dbbackup
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# Set entrypoint
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ENTRYPOINT ["/usr/local/bin/dbbackup"]
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# Default command shows help
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CMD ["--help"]
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# Labels
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LABEL maintainer="UUXO"
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LABEL version="1.0"
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LABEL description="Professional database backup tool for PostgreSQL, MySQL, and MariaDB"
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