Update docker CI

.github/workflows/docker.yml

@@ -2,7 +2,7 @@ name: Docker
 
 on:
   push:
-    branches: dev
+    branches: master
     paths:
       - 'src/Impostor.Server/**'
       - 'src/Impostor.Shared/**'
@@ -33,15 +33,16 @@ jobs:
         run: |
           DOCKER_IMAGE=aeonlucid/impostor
           VERSION=noop
+          VERSIONSUFFIX=docker
           if [[ $GITHUB_REF == refs/tags/* ]]; then
             VERSION=${GITHUB_REF#refs/tags/}
+            VERSIONSUFFIX=
           elif [[ $GITHUB_REF == refs/heads/* ]]; then
-            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
-            if [ "${{ github.event.repository.default_branch }}" = "dev" ]; then
-              VERSION=nightly
-            fi
+            VERSION=nightly
+            VERSIONSUFFIX=docker.${{ github.run_number }}
           elif [[ $GITHUB_REF == refs/pull/* ]]; then
             VERSION=pr-${{ github.event.number }}
+            VERSIONSUFFIX=pr.${{ github.event.number }}
           fi
           TAGS="${DOCKER_IMAGE}:${VERSION}"
           if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
@@ -49,6 +50,7 @@ jobs:
           fi
           echo ::set-output name=version::${VERSION}
           echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=versionsuffix::${VERSIONSUFFIX}
           echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
@@ -68,3 +70,5 @@ jobs:
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.prep.outputs.tags }}
+          build-args: |
+            VERSIONSUFFIX=${{ steps.prep.outputs.versionsuffix }}

Dockerfile

@@ -4,6 +4,8 @@ FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:5.0 AS build
 # https://github.com/containerd/containerd/blob/master/platforms/platforms.go#L17
 ARG TARGETARCH
 
+ARG VERSIONSUFFIX
+
 WORKDIR /source
 
 # Copy csproj and restore.
@@ -29,7 +31,7 @@ RUN case "$TARGETARCH" in \
     arm)    NETCORE_PLATFORM='linux-arm';; \
     *) echo "unsupported architecture"; exit 1 ;; \
   esac && \
-  dotnet publish -c release -o /app -r "$NETCORE_PLATFORM" --no-restore ./src/Impostor.Server/Impostor.Server.csproj
+  dotnet publish -c release -o /app -r "$NETCORE_PLATFORM" -p:VersionSuffix="$VERSIONSUFFIX" --no-restore ./src/Impostor.Server/Impostor.Server.csproj
 
 # Final image.
 FROM --platform=$TARGETPLATFORM mcr.microsoft.com/dotnet/runtime:5.0