Initial AD port

themes/fractal-forest/Dockerfile

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+# DOCKER-VERSION 17.12.0-ce, build c97c6d6
+
+# Pull alpine base image
+FROM alpine:latest AS codecbuilder
+
+# Configure build settings
+ENV LIBBPG_VERSION=0.9.8 \
+    CPU_CORES=1
+
+# Fetch and extract bpg library
+RUN cd /tmp && \
+  wget https://bellard.org/bpg/libbpg-${LIBBPG_VERSION}.tar.gz && \
+  mkdir -p /opt/libbpg && \
+  tar --strip-components=1 -xzf libbpg-${LIBBPG_VERSION}.tar.gz -C /opt/libbpg && \
+  rm -f libbpg-${LIBBPG_VERSION}.tar.gz
+
+# Set current working directory
+WORKDIR /opt/libbpg
+
+# Set bpg build options
+ENV USE_EMCC=y \
+    USE_JCTVC=y \
+    USE_X265=
+
+# Install packages required to build codecs
+RUN apk add --update --no-cache \
+    build-base cmake libpng-dev libjpeg-turbo-dev \
+    sdl-dev sdl_image-dev yasm && \
+  echo http://dl-cdn.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && \
+  apk add --no-cache emscripten
+
+# Compile codecs in intermediate container
+RUN make -j ${CPU_CORES} && make install
+
+# Generate js file integrity hashes
+RUN apk add --update --no-cache openssl
+COPY ./bin/generate-hashes.sh .
+RUN chmod +x generate-hashes.sh && ./generate-hashes.sh
+
+# Move codecs and hashes into busybox container
+FROM busybox AS codecs
+COPY --from=codecbuilder /usr/local/bin/bpg* /usr/local/bin/
+COPY --from=codecbuilder /opt/libbpg/bpg*.js* /var/www/
+WORKDIR /usr/local/bin