echoip 1.0.0

A simple service for looking up your IP address with geolocation
Documentation 
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FROM rust:1.94-slim AS builder

RUN apt-get update && apt-get install -y --no-install-recommends \
    pkg-config libssl-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /build

# Cache dependencies
COPY Cargo.toml Cargo.lock ./
RUN mkdir src && echo 'fn main() {}' > src/main.rs && echo '' > src/lib.rs \
    && cargo build --release \
    && rm -rf src

# Build actual source
COPY src/ src/
RUN touch src/main.rs src/lib.rs && cargo build --release

FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /opt/echoip

COPY --from=builder /build/target/release/echoip ./echoip
COPY html/ html/
RUN mkdir -p /opt/echoip/data
VOLUME ["/opt/echoip/data"]

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8080/health || exit 1

ENTRYPOINT ["/opt/echoip/echoip"]