wk1: initial docker image setup

Dockerfile

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+# ================================
+# Compile Stage
+# ================================
+
+FROM debian:bookworm-slim AS compile
+
+RUN <<EOF
+apt update
+apt install -y clang
+apt clean
+EOF
+
+WORKDIR /src/
+COPY src .
+RUN clang -O2 -o /usr/local/bin/log /src/log/log.c
+
+# ================================
+# Build Stage
+# ================================
+
+FROM debian:bookworm-slim AS build
+
+WORKDIR /
+
+# Install dependencies
+COPY target/scripts/build/packages.sh /build/
+RUN /bin/bash /build/packages.sh && rm -r /build
+
+# Install compiled binaries
+COPY --from=compile /usr/local/bin/log /usr/local/bin/log
+
+# Install helper scripts
+COPY target/scripts/*.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/*
+COPY target/scripts/helpers /usr/local/bin/helpers
+
+# Supervisor
+COPY target/supervisor/supervisord.conf /etc/supervisor/supervisord.conf
+COPY target/supervisor/conf.d/* /etc/supervisor/conf.d/
+
+# Dovecot
+COPY target/dovecot/*.inc target/dovecot/*.conf /etc/dovecot/conf.d/
+
+EXPOSE 25/tcp 143/tcp 465/tcp 993/tcp
+
+ENTRYPOINT ["/usr/bin/tini", "--"]
+CMD ["supervisord", "-c", "/etc/supervisor/supervisord.conf"]