Updates galore.

- Common pre-commit checks.
- GitLab CI.
- Update to Debian Buster.
- Address a few issues from pre-commit.
- Set Compose project name.
- Update README.

.env

+COMPOSE_PROJECT_NAME=syncevolution

.gitlab-ci.yml

+---
+include:
+  - project: shore/ci-templates
+    file: templates/pre-commit.yml

.pre-commit-config.yaml

+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks.git
+    rev: v3.4.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-executables-have-shebangs
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: trailing-whitespace
+
+  - repo: https://github.com/Yelp/detect-secrets
+    rev: v0.14.3
+    hooks:
+      - id: detect-secrets
+
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.25.0
+    hooks:
+      - id: yamllint
+
+  - repo: https://github.com/executablebooks/mdformat.git
+    rev: 0.5.3
+    hooks:
+      - id: mdformat
+
+  - repo: https://git.shore.co.il/nimrod/shell-pre-commit.git
+    rev: v0.6.0
+    hooks:
+      - id: shell-lint
+
+  - repo: https://github.com/shellcheck-py/shellcheck-py.git
+    rev: v0.7.1.1
+    hooks:
+      - id: shellcheck
+
+  - repo: https://git.shore.co.il/nimrod/docker-pre-commit.git/
+    rev: v0.3.0
+    hooks:
+      - id: hadolint
+      - id: docker-compose

Dockerfile

-FROM ubuntu:xenial
-ENV DEBIAN_FRONTEND noninteractive
+FROM debian:buster-slim
+# hadolint ignore=DL3008
 RUN apt-get update && \
-    apt-get install -y syncevolution-http syncevolution && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
-    mkdir /syncevolution
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        syncevolution-http \
+        syncevolution \
+    && \
+    rm -rf /tmp/* /var/tmp/* /var/cache/apt/archives/* /var/lib/apt/lists/* && \
+    install -d -m 777 /syncevolution
 VOLUME /syncevolution
 COPY entrypoint.sh /entrypoint.sh
 EXPOSE 9000

README.md

 # SyncEvolution Docker
 
+[![pipeline status](https://git.shore.co.il/nimrod/syncevolution-docker/badges/master/pipeline.svg)](https://git.shore.co.il/nimrod/syncevolution-docker/-/commits/master)
+
 SyncML over HTTP using SyncEvolution and Docker.
 
 ## On the server
 
-Edit the IMEI variable inside the `docker-compose.yml` and run `docker-compose
-up`.
+Edit the IMEI variable inside the `docker-compose.yml` and run
+`docker-compose up`.
 
 ## On the phone
 
@@ -17,7 +19,6 @@ Notes remote database: `memo`
 
 For more information visit <https://syncevolution.org/wiki/http-server-howto>.
 
-
 # License
 
 This software is licensed under the MIT license (see the `LICENSE.txt` file).
@@ -26,5 +27,5 @@ This software is licensed under the MIT license (see the `LICENSE.txt` file).
 
 Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my
 [website](https://www.shore.co.il/). Patches are welcome via
-[git send-email](http://git-scm.com/book/en/v2/Git-Commands-Email). The
-repository is located at: <https://git.shore.co.il/explore/>.
+[`git send-email`](http://git-scm.com/book/en/v2/Git-Commands-Email). The repository
+is located at: <https://git.shore.co.il/explore/>.

docker-compose.yml

+---
+version: '3.7'
+services:
   syncevolution:
-    build: ./
+    build:
+      context: ./
     environment:
       IMEI: "352724041305912"
     ports:
       - 9000:9000
     volumes:
-        - ./syncevolution:/syncevolution
+      - $PWD/syncevolution:/syncevolution

entrypoint.sh

@@ -4,7 +4,7 @@ syncevolution --configure \
               --template default \
               --sync-property syncURL= \
               --sync-property peerIsClient=1 \
-              --sync-property remoteDeviceId=IMEI:$IMEI \
+              --sync-property "remoteDeviceId=IMEI:$IMEI" \
               --sync-property preventSlowSync=False \
               --source-property uri= \
               --source-property sync=none cellphone
@@ -31,4 +31,4 @@ syncevolution --configure \
 syncevolution --configure \
               --source-property sync=slow \
               cellphone addressbook calendar todo memo calendar+todo
-eval exec $@
+eval exec "$@"