feat: add new docker image without ffmpeg

Author: mateof

.github/workflows/docker-image.yml

@@ -30,12 +30,26 @@ jobs:
         username: ${{github.actor}}
         password: ${{secrets.GHCR}}
 
-    - name: Build and Push the Docker image
+    - name: Build and Push Full Image (with FFmpeg)
       run: |
         VERSION=${{ steps.version.outputs.version }}
+        echo "Building full image with FFmpeg support..."
         docker build ./TelegramDownloader -f ./TelegramDownloader/Dockerfile \
           --build-arg VERSION=$VERSION \
+          --build-arg INCLUDE_FFMPEG=true \
           --tag ghcr.io/mateof/telegramfilemanager:dev_$VERSION \
           --tag ghcr.io/mateof/telegramfilemanager:dev_latest
         docker push ghcr.io/mateof/telegramfilemanager:dev_$VERSION
         docker push ghcr.io/mateof/telegramfilemanager:dev_latest
+
+    - name: Build and Push Lite Image (without FFmpeg)
+      run: |
+        VERSION=${{ steps.version.outputs.version }}
+        echo "Building lite image without FFmpeg..."
+        docker build ./TelegramDownloader -f ./TelegramDownloader/Dockerfile \
+          --build-arg VERSION=$VERSION \
+          --build-arg INCLUDE_FFMPEG=false \
+          --tag ghcr.io/mateof/telegramfilemanager:dev_$VERSION-lite \
+          --tag ghcr.io/mateof/telegramfilemanager:dev_latest-lite
+        docker push ghcr.io/mateof/telegramfilemanager:dev_$VERSION-lite
+        docker push ghcr.io/mateof/telegramfilemanager:dev_latest-lite

.github/workflows/release-docker-image.yml

@@ -28,12 +28,26 @@ jobs:
         username: ${{github.actor}}
         password: ${{secrets.GHCR}}
 
-    - name: Build and Push the Docker image
+    - name: Build and Push Full Image (with FFmpeg)
       run: |
         VERSION=${{ steps.version.outputs.version }}
+        echo "Building full image with FFmpeg support..."
         docker build ./TelegramDownloader -f ./TelegramDownloader/Dockerfile \
           --build-arg VERSION=$VERSION \
+          --build-arg INCLUDE_FFMPEG=true \
           --tag ghcr.io/mateof/telegramfilemanager:${{github.ref_name}} \
           --tag ghcr.io/mateof/telegramfilemanager:latest
         docker push ghcr.io/mateof/telegramfilemanager:${{github.ref_name}}
         docker push ghcr.io/mateof/telegramfilemanager:latest
+
+    - name: Build and Push Lite Image (without FFmpeg)
+      run: |
+        VERSION=${{ steps.version.outputs.version }}
+        echo "Building lite image without FFmpeg..."
+        docker build ./TelegramDownloader -f ./TelegramDownloader/Dockerfile \
+          --build-arg VERSION=$VERSION \
+          --build-arg INCLUDE_FFMPEG=false \
+          --tag ghcr.io/mateof/telegramfilemanager:${{github.ref_name}}-lite \
+          --tag ghcr.io/mateof/telegramfilemanager:latest-lite
+        docker push ghcr.io/mateof/telegramfilemanager:${{github.ref_name}}-lite
+        docker push ghcr.io/mateof/telegramfilemanager:latest-lite

TelegramDownloader/Dockerfile

@@ -6,9 +6,16 @@ WORKDIR /app
 EXPOSE 80
 EXPOSE 443
 
+# Build argument to optionally include FFmpeg (default: true)
+# Set to "false" to create a lighter image without video transcoding support
+ARG INCLUDE_FFMPEG=true
+
 # Install ICU libraries for globalization support (required by BlazorBootstrap NumberInput)
-# Install FFmpeg for video transcoding support (MKV, AVI, WMV, etc.)
-RUN apk add --no-cache icu-libs ffmpeg
+# Optionally install FFmpeg for video transcoding support (MKV, AVI, WMV, etc.)
+RUN apk add --no-cache icu-libs && \
+    if [ "$INCLUDE_FFMPEG" = "true" ]; then \
+        apk add --no-cache ffmpeg; \
+    fi
 ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=false
 
 FROM mcr.microsoft.com/dotnet/sdk:10.0-alpine AS build