Update dovecot/Dockerfile, dovecot/Makefile, .gitlab-ci.yml files

.gitlab-ci.yml

@@ -6,6 +6,18 @@ variables:
   DOCKER_CLI_EXPERIMENTAL: enabled
   DOCKER_BUILDKIT: 1
 
+dovecot:
+  stage: build
+  tags:
+   - docker
+  script:
+    - cd dovecot
+    - make push
+  only:
+    variables:
+      - $CI_COMMIT_REF_PROTECTED == "true"
+    changes:
+      - dovecot/*
 
 element:
   stage: build

dovecot/Dockerfile

@@ -0,0 +1,29 @@
+ARG DEBIAN_VERSION=20210408
+FROM docker.io/debian:bullseye-${DEBIAN_VERSION}-slim
+
+ENV container=docker
+ENV LC_ALL=C
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get -y update && apt-get -y install \
+    tini \
+    dovecot-core \
+    dovecot-imapd \
+    dovecot-lmtpd \
+    dovecot-ldap \
+    dovecot-managesieved \
+    dovecot-mysql \
+    dovecot-pgsql \
+    dovecot-sqlite \
+    dovecot-pop3d \
+    dovecot-sieve \
+    dovecot-solr \
+    dovecot-submissiond \
+    ca-certificates \
+    ssl-cert \
+    && rm -rf /etc/dovecot \
+    && mkdir /srv/mail && chown dovecot:dovecot /srv/mail \
+    && rm -rf /var/lib/apt/lists/*
+
+VOLUME [/etc/dovecot /srv/mail /var/mail]
+ENTRYPOINT ["/sbin/tini" "--"]
+CMD ["/usr/sbin/dovecot" "-F"]

dovecot/Makefile

@@ -0,0 +1,17 @@
+NAMESPACE=alemairebe
+VERSION=2.3.13
+IMAGE=dovecot
+
+push:
+	docker buildx build --platform linux/amd64,linux/arm64,linux/arm --push \
+      --cache-from=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
+      --cache-to=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
+      --tag ${CI_REGISTRY_IMAGE}/${IMAGE}:$(VERSION) \
+      --tag ${NAMESPACE}/${IMAGE}:$(VERSION) \
+      -f Dockerfile .
+
+dev:
+	docker buildx build --platform linux/amd64,linux/arm64,linux/arm \
+	--output type=tar,dest=synapse.tar \
+      --tag ${NAMESPACE}/${IMAGE}:$(VERSION) \
+      -f Dockerfile ${IMAGE}-${VERSION}