updates

containers/postfix/Containerfile

@@ -0,0 +1,13 @@
+FROM debian:bookworm-slim
+
+RUN apt-get update \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        postfix \
+        libsasl2-modules \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY main.cf /etc/postfix/main.cf
+
+EXPOSE 25 587
+
+CMD ["postfix", "start-fg"]