Add build and docker publish workflows

.gitea/workflows/build.yml

@@ -0,0 +1,17 @@
+name: Build
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.21
+          check-latest: true
+      - run: |
+          make build

.gitea/workflows/docker-image.yml

@@ -0,0 +1,28 @@
+name: Publish on release
+on:
+  release:
+    types: [published]
+jobs:
+  build:
+    name: Run docker build and publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run docker build
+        run: docker build -t cerc-io/laconic2d -f Dockerfile .
+      - name: Get the version
+        id: vars
+        run: |
+          echo ::set-output name=sha::$(echo ${GITHUB_SHA:0:7})
+          echo ::set-output name=tag::$(echo ${GITHUB_REF#refs/tags/})
+      - name: Tag docker image
+        run: docker tag cerc-io/laconic2d git.vdb.to/cerc-io/laconic2d/laconic2d:${{steps.vars.outputs.sha}}
+      - name: Tag docker image
+        run: docker tag git.vdb.to/cerc-io/laconic2d/laconic2d:${{steps.vars.outputs.sha}} git.vdb.to/cerc-io/laconic2d/laconic2d:${{steps.vars.outputs.tag}}
+      - name: Docker Login
+        run: echo ${{ secrets.CICD_PUBLISH_TOKEN }} | docker login https://git.vdb.to -u cerccicd --password-stdin
+      - name: Docker Push
+        run: docker push git.vdb.to/cerc-io/laconic2d/laconic2d:${{steps.vars.outputs.sha}}
+      - name: Docker Push TAGGED
+        run: docker push git.vdb.to/cerc-io/laconic2d/laconic2d:${{steps.vars.outputs.tag}}
+