learning_go/rbd_exporter/Dockerfile
2025-12-22 17:39:04 +03:00

72 lines
1.9 KiB
Docker

# Multi-stage build using official Go image
FROM harbor.mws-team.ru/docker.io/library/ubuntu:22.04 AS builder
# Add Ceph Reef repository
RUN apt-get update && apt-get install -y \
wget \
gnupg \
gcc \
pkg-config \
&& wget -q -O- 'https://download.ceph.com/keys/release.asc' | apt-key add - \
&& echo "deb https://download.ceph.com/debian-reef/ jammy main" > /etc/apt/sources.list.d/ceph.list
# Install Ceph Reef development libraries
RUN apt-get update && apt-get install -y \
librbd-dev \
librados-dev \
&& rm -rf /var/lib/apt/lists/*
# Install Go
ENV GO_VERSION=1.25.5
RUN wget https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz \
&& tar -C /usr/local -xzf go${GO_VERSION}.linux-amd64.tar.gz \
&& rm go${GO_VERSION}.linux-amd64.tar.gz
# Set Go environment variables
ENV PATH=$PATH:/usr/local/go/bin
ENV GOPATH=/go
ENV PATH=$PATH:$GOPATH/bin
WORKDIR /app
# Copy go mod files
COPY go.mod go.sum ./
RUN go mod download
# Copy source code
COPY . .
# Build the application
RUN CGO_ENABLED=1 GOOS=linux go build -o rbd-exporter .
# Final stage with Ceph Reef runtime libraries
FROM harbor.mws-team.ru/docker.io/library/ubuntu:22.04 AS final
# Add Ceph Reef repository to runtime stage too
RUN apt-get update && apt-get install -y \
wget \
gnupg \
lsb-release \
ca-certificates \
&& wget -q -O- 'https://download.ceph.com/keys/release.asc' | gpg --dearmor -o /etc/apt/trusted.gpg.d/ceph.gpg \
&& echo "deb https://download.ceph.com/debian-reef/ $(lsb_release -cs) main" > /etc/apt/sources.list.d/ceph.list
# Install Ceph Reef runtime libraries
RUN apt-get update && apt-get install -y \
librbd-dev \
librados-dev \
ceph-common \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /rbd-exporter
# Copy the binary from builder stage
COPY --from=builder /app/rbd-exporter .
# Make binary executable
RUN chmod +x ./rbd-exporter
EXPOSE 9040
CMD ["./rbd-exporter"]