Create separate build file for the docker image

.woodpecker/build-docker.yml

@@ -0,0 +1,9 @@
+# https://jpetazzo.github.io/2015/09/03/do-not-use-docker-in-docker-for-ci/
+# https://woodpecker-ci.org/docs/usage/volumes
+
+pipeline:
+  docker-go:
+    image: docker
+    commands:
+      - cd .woodpecker/docker
+      - docker build -f go.dockerfile -t test-image .

.woodpecker/build.yml

@@ -51,3 +51,6 @@ pipeline:
       - ./build_dpkg.sh $version
       - scp offline-twitter-engine_$${version}_all.deb aptrepo@apt.playfulpachyderm.com:/apt-repo/test-repo
       - ssh aptrepo@apt.playfulpachyderm.com "cd ~/test-repo && ./update.sh"
+
+depends_on:
+  - build-docker

.woodpecker/docker/go.dockerfile

@@ -0,0 +1,11 @@
+from ubuntu:jammy
+
+run apt update && apt install -y sudo curl wget build-essential sqlite3 jq git
+
+# Install go and golangci-lint
+run wget https://go.dev/dl/go1.20.4.linux-amd64.tar.gz && tar -C /usr/local -xzf go1.20.4.linux-amd64.tar.gz
+env PATH="$PATH:/usr/local/go/bin"
+run curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b /usr/local/go/bin v1.53.1
+
+# Install project dependencies (so they don't have to be reinstalled on every CI run)
+run git clone https://gitlab.com/offline-twitter/twitter_offline_engine.git && cd twitter_offline_engine && go install ./... && cd .. && rm -r twitter_offline_engine