Automated Container Builds & bump to sdk:6.0

.github/workflows/main.yml

@@ -0,0 +1,51 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: set lower case owner name
+        run: |
+          echo "OWNER_LC=${OWNER,,}" >>${GITHUB_ENV}
+        env:
+          OWNER: '${{ github.repository_owner }}'
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}        
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v1 
+        with:
+          registry: ghcr.io
+          username: ${{ env.OWNER_LC }}
+          password: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            ${{ secrets.DOCKERHUB_USERNAME }}/pgstosrt:latest
+            ${{ secrets.DOCKERHUB_USERNAME }}/pgstosrt:${{ github.ref_name }}
+            ghcr.io/${{ env.OWNER_LC }}/pgstosrt:latest
+            ghcr.io/${{ env.OWNER_LC }}/pgstosrt:${{ github.ref_name }}            

Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0-focal-amd64 AS builder
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS builder
 
 RUN apt-get update && \
     apt-get install -y automake ca-certificates g++ git libtool libtesseract4 make pkg-config libc6-dev && \
@@ -7,14 +7,22 @@ RUN apt-get update && \
 COPY . /src
 RUN cd /src && \
     dotnet restore  && \
-    dotnet publish -c Release -f net6.0 -o /src/PgsToSrt/out && \
-    mv /src/entrypoint.sh /entrypoint.sh && chmod +x /entrypoint.sh && \
-    mv /src/PgsToSrt/out /app
+    dotnet publish -c Release -f net6.0 -o /src/PgsToSrt/out
 
+FROM mcr.microsoft.com/dotnet/runtime:6.0
+WORKDIR /app
 ENV LANGUAGE=eng
 ENV INPUT=/input.sup
 ENV OUTPUT=/output.srt
 VOLUME /tessdata
 
+COPY --from=builder /src/PgsToSrt/out .
+COPY --from=builder /tessdata /tessdata
+COPY entrypoint.sh /entrypoint.sh
+
+RUN apt-get update && \
+    apt-get install -y libtesseract4 \
+    && chmod +x /entrypoint.sh
+
 # Docker for Windows: EOL must be LF.
 ENTRYPOINT /entrypoint.sh

PgsToSrt/PgsToSrt.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net5.0;net6.0</TargetFrameworks>
+    <TargetFramework>net6.0</TargetFramework>
     <AssemblyVersion>1.4.2.0</AssemblyVersion>
     <FileVersion>1.4.2.0</FileVersion>
     <Version>1.4.2</Version>