import

Dockerfile

@@ -0,0 +1,19 @@
+FROM "alpine:3.7"
+LABEL maintainer="Cabillot Julien <dockerimages@cabillot.eu>"
+
+COPY entrypoint.sh /entrypoint.sh
+
+RUN apk add --no-cache offlineimap openssl && \
+    adduser -D offlineimap
+COPY offlineimaprc /home/offlineimap/.offlineimaprc
+
+# Add Tini
+#ENV "TINI_VERSION" "v0.16.1"
+#ADD "https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini" "/tini"
+#RUN chmod +x "/tini"
+#ENTRYPOINT ["/tini", "--"]
+
+USER "offlineimap"
+
+#ENTRYPOINT [ "/entrypoint.sh" ]
+CMD [ "/entrypoint.sh" ]

entrypoint.sh

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+#!/bin/sh
+
+set -o pipefail -o nounset -o errexit
+
+# Récupère le certificat fourni par le serveur
+IMAP_CERT="$(openssl s_client -connect "${IMAP_SRV}:993" </dev/null 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | openssl x509 -noout -fingerprint -sha1 -inform pem | cut -d'=' -f2 | sed 's/://g')"
+
+sed -i'' "s/XXX_REPLACE_USER_XXX/${IMAP_USER}/g;s/XXX_REPLACE_PASS_XXX/${IMAP_PASS}/g;s/XXX_REPLACE_SRV_XXX/${IMAP_SRV}/g;s/XXX_REPLACE_FINGERPRINT_XXX/${IMAP_CERT}/g" "/home/offlineimap/.offlineimaprc"
+
+exec offlineimap -c "/home/offlineimap/.offlineimaprc" 2>/dev/null

offlineimaprc

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+[general]
+accounts = main
+
+[Account main]
+localrepository = main-local
+remoterepository = main-remote
+
+[Repository main-local]
+type = Maildir
+localfolders = /dump
+
+[Repository main-remote]
+type = IMAP
+#sslcacertfile = /etc/ssl/certs/ca-certificates.crt
+remoteuser = XXX_REPLACE_USER_XXX
+remotepass = XXX_REPLACE_PASS_XXX
+remotehost = XXX_REPLACE_SRV_XXX
+cert_fingerprint = XXX_REPLACE_FINGERPRINT_XXX