Merge branch 'add/bullseye' into 'master'

Add image for Debian Bullseye

See merge request !21

.gitlab-ci.yml

@@ -49,6 +49,24 @@ build-golang-dev:
   except:
     - master
 
+# Debian Bullseye builds
+build-debian-bullseye-build-master:
+  stage: deploy
+  script:
+    - docker build --pull -t "$CI_REGISTRY_IMAGE/debian:bullseye" ./debian/bullseye
+    - docker push "$CI_REGISTRY_IMAGE/debian:bullseye"
+  only:
+    - master
+  when: manual
+
+build-debian-bullseye-build-dev:
+  stage: deploy
+  script:
+    - docker build --pull -t "$CI_REGISTRY_IMAGE/debian:bullseye-dev" ./debian/bullseye
+    - docker push "$CI_REGISTRY_IMAGE/debian:bullseye-dev"
+  except:
+    - master
+
 # Debian Buster builds
 build-debian-buster-build-master:
   stage: deploy

debian/bullseye/Dockerfile

+FROM debian:bullseye-slim
+
+LABEL maintainer="ethitter"
+LABEL version="1.0"
+
+RUN echo "deb http://security.debian.org/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list
+
+RUN apt-get update \
+    && apt-get -y --no-install-recommends install \
+        apt-transport-https \
+        lsb-release \
+        ca-certificates \
+        curl \
+        git \
+        dh-make \
+        build-essential \
+        autoconf \
+        autotools-dev \
+        libpcre3 \
+        libpcre3-dev \
+        libz-dev \
+        gnupg \
+        libssl-dev \
+        devscripts \
+        lintian \
+        fakeroot \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*