- Multi-stage Dockerfile for minimal image size (~119MB) - Includes PostgreSQL, MySQL, MariaDB client tools - Non-root user (UID 1000) for security - Docker Compose examples for all use cases - Complete Docker documentation (DOCKER.md) - Kubernetes CronJob examples - Support for Docker secrets - Multi-platform build support Docker makes deployment trivial: - No dependency installation needed - Consistent environment - Easy CI/CD integration - Kubernetes-ready
59 lines
1.2 KiB
Docker
59 lines
1.2 KiB
Docker
# Multi-stage build for minimal image size
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FROM golang:1.24-alpine AS builder
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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
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RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-w -s" -o dbbackup .
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# Final stage - minimal runtime image
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FROM alpine:3.19
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# Install database client tools
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RUN apk add --no-cache \
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postgresql-client \
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mysql-client \
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mariadb-client \
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pigz \
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pv \
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ca-certificates \
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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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