telemt/Dockerfile

112 lines
2.5 KiB
Docker

# syntax=docker/dockerfile:1
# ==========================
# Stage 1: Build
# ==========================
FROM rust:1.88-slim-bookworm AS builder
RUN apt-get update && apt-get install -y --no-install-recommends \
pkg-config \
ca-certificates \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /build
# Depcache
COPY Cargo.toml Cargo.lock* ./
RUN mkdir src && echo 'fn main() {}' > src/main.rs && \
cargo build --release 2>/dev/null || true && \
rm -rf src
# Build
COPY . .
RUN cargo build --release && strip target/release/telemt
# ==========================
# Stage 2: Compress (strip + UPX)
# ==========================
FROM debian:12-slim AS minimal
RUN apt-get update && apt-get install -y --no-install-recommends \
binutils \
curl \
ca-certificates \
&& rm -rf /var/lib/apt/lists/* \
\
# install UPX from Telemt releases
&& curl -fL \
--retry 5 \
--retry-delay 3 \
--connect-timeout 10 \
--max-time 120 \
-o /tmp/upx.tar.xz \
https://github.com/telemt/telemt/releases/download/toolchains/upx-amd64_linux.tar.xz \
&& tar -xf /tmp/upx.tar.xz -C /tmp \
&& mv /tmp/upx*/upx /usr/local/bin/upx \
&& chmod +x /usr/local/bin/upx \
&& rm -rf /tmp/upx*
COPY --from=builder /build/target/release/telemt /telemt
RUN strip /telemt || true
RUN upx --best --lzma /telemt || true
# ==========================
# Stage 3: Debug base
# ==========================
FROM debian:12-slim AS debug-base
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates \
tzdata \
curl \
iproute2 \
busybox \
&& rm -rf /var/lib/apt/lists/*
# ==========================
# Stage 4: Debug image
# ==========================
FROM debug-base AS debug
WORKDIR /app
COPY --from=minimal /telemt /app/telemt
COPY config.toml /app/config.toml
USER root
EXPOSE 443
EXPOSE 9090
EXPOSE 9091
ENTRYPOINT ["/app/telemt"]
CMD ["config.toml"]
# ==========================
# Stage 5: Production (distroless)
# ==========================
FROM gcr.io/distroless/base-debian12 AS prod
WORKDIR /app
COPY --from=minimal /telemt /app/telemt
COPY config.toml /app/config.toml
# TLS + timezone + shell
COPY --from=debug-base /etc/ssl/certs /etc/ssl/certs
COPY --from=debug-base /usr/share/zoneinfo /usr/share/zoneinfo
COPY --from=debug-base /bin/busybox /bin/busybox
RUN ["/bin/busybox", "--install", "-s", "/bin"]
# distroless user
USER nonroot:nonroot
EXPOSE 443
EXPOSE 9090
EXPOSE 9091
ENTRYPOINT ["/app/telemt"]
CMD ["config.toml"]