correlate 0.3.0

correlate is a standalone server that listens for Stripe webhook events and sends notification emails about successful orders.
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FROM rust:1.82-alpine3.20 AS builder
WORKDIR /usr/src/correlate

ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
COPY . .

# Build with or without database support based on ARG
ARG WITH_DATABASE=true
RUN --mount=type=cache,target=./build/target \
    --mount=type=cache,target=./build/cargo/registry \
    --mount=type=cache,target=./build/cargo/git \
    apk add libc-dev pkgconfig libressl-dev
RUN if [ "$WITH_DATABASE" = "true" ]; then \
    echo "Building with database support" && \
    cargo build --release; \
    else \
    echo "Building without database support" && \
    cargo build --release --no-default-features; \
    fi

FROM alpine:3.20
LABEL dev.orbitsolutions.code="ORB IT Solutions LLC"
LABEL org.opencontainers.image.authors="orbit+maint@orbitsolutions.dev"
LABEL version="1.0"

ENV OPENSMTPD_VER="7.5.0p0"

RUN apk add --no-cache -t opensmtpd-rundeps tzdata \
    "opensmtpd~${OPENSMTPD_VER}"; \
    mkdir -p /var/spool/smtpd && chmod 711 /var/spool/smtpd

COPY --from=builder /usr/src/correlate/target/release/correlate /usr/local/bin/correlate

ENV CORRELATE_EMAIL_RECIPIENT=""
ENV CORRELATE_EMAIL_SENDER=""
# Optional database configuration (only used when built with database support)
ENV CORRELATE_DATABASES=""

EXPOSE 25 8000
CMD ["/bin/sh", "-c", "smtpd -v; correlate"]