lostakj/postfix-docker
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Fixed buildx issue
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Jan Lošťák
2026-03-28 01:06:48 +01:00
parent 636a499f6e
commit 5c52e6e32a
2 changed files with 13 additions and 4 deletions
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14
Dockerfile
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@@ -45,6 +45,12 @@ RUN mkdir -p /opt/postfix-libs \
| sort -u \ | sort -u \
| xargs -r -I '{}' cp -v --parents '{}' /opt/postfix-libs | xargs -r -I '{}' cp -v --parents '{}' /opt/postfix-libs
RUN cd /opt/postfix-dist \
&& tar -cf /opt/postfix-dist.tar .
RUN cd /opt/postfix-libs \
&& tar -cf /opt/postfix-libs.tar .
# Final image # Final image
FROM ubuntu:24.04 FROM ubuntu:24.04
@@ -61,8 +67,12 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
ssl-cert \ ssl-cert \
&& rm -rf /var/lib/apt/lists/* && rm -rf /var/lib/apt/lists/*
COPY --from=builder /opt/postfix-dist/ / COPY --from=builder /opt/postfix-dist.tar /tmp/postfix-dist.tar
COPY --from=builder /opt/postfix-libs/ / COPY --from=builder /opt/postfix-libs.tar /tmp/postfix-libs.tar
RUN tar -C / -xf /tmp/postfix-dist.tar \
&& tar -C / -xf /tmp/postfix-libs.tar \
&& rm -f /tmp/postfix-dist.tar /tmp/postfix-libs.tar
# Create postfix user and group # Create postfix user and group
RUN groupadd -r postfix \ RUN groupadd -r postfix \

3
README.md
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@@ -161,5 +161,4 @@ POSTFIX_SMTPS_TLS_WRAPPERMODE="yes"
- The container configures `/etc/postfix/main.cf` using `postconf -e`. - The container configures `/etc/postfix/main.cf` using `postconf -e`.
- `/etc/aliases` is created automatically if missing, and `newaliases` is run on startup. - `/etc/aliases` is created automatically if missing, and `newaliases` is run on startup.
- `/etc/resolv.conf` is copied into `/var/spool/postfix/etc/resolv.conf` so DNS lookups work in chrooted Postfix services. - `/etc/resolv.conf` is copied into `/var/spool/postfix/etc/resolv.conf` so DNS lookups work in chrooted Postfix services.
- `POSTFIX_SMTPD_MILTERS` and `POSTFIX_NON_SMTPD_MILTERS` should contain only `host:port`. The script adds the `inet:` prefix automatically. - `POSTFIX_SMTPD_MILTERS` and `POSTFIX_NON_SMTPD_MILTERS` should contain only `host:port`. The script adds the `inet:` prefix automatically.
- TLS certificate and key files must exist inside the container if TLS is enabled.