Build with alpine and emscripten rather than ubuntu.

povray_wasm/Dockerfile

@@ -1,5 +1,5 @@
-FROM emscripten/emsdk:2.0.26
+FROM alpine:latest
 
-RUN DEBIAN_FRONTEND=noninteractive apt update
+RUN apk update
 
-RUN DEBIAN_FRONTEND=noninteractive apt install -y bash libz-dev libpng-dev libjpeg-dev libtiff-dev libopenexr-dev autoconf automake make libboost-all-dev
+RUN apk add --update boost-dev zlib-dev libpng-dev jpeg-dev tiff-dev openexr-dev autoconf automake emscriptenmake

povray_wasm/Dockerfile.ubuntu

@@ -0,0 +1,5 @@
+FROM emscripten/emsdk:2.0.26
+
+RUN DEBIAN_FRONTEND=noninteractive apt update
+
+RUN DEBIAN_FRONTEND=noninteractive apt install -y bash libz-dev libpng-dev libjpeg-dev libtiff-dev libopenexr-dev autoconf automake make libboost-all-dev

povray_wasm/build_alpine.sh

@@ -0,0 +1,8 @@
+EMAIL="himattmcwilliams@gmail.com"
+NAME="Matt McWilliams"
+
+cd unix/
+sh prebuild.sh
+cd ../
+emconfigure ./configure COMPILED_BY="$NAME <$EMAIL>"
+emmake make -j

povray_wasm/build_with_alpine.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+#latest-stable
+POVRAY_VERSION=latest-stable
+#v3.7.0.0
+
+if [ ! -d povray ]; then
+	git clone --depth 1 --branch $POVRAY_VERSION https://github.com/POV-Ray/povray povray
+fi
+
+cp build_alpine.sh povray/build.sh
+
+sudo docker build . -t povray_wasm
+
+cd povray
+
+sudo docker run \
+  -v $PWD:/usr/src \
+  povray_wasm \
+  sh -c 'cd /usr/src && bash build.sh'

povray_wasm/build_with_docker.sh

@@ -1,7 +1,8 @@
 #!/bin/bash
 
 #latest-stable
-POVRAY_VERSION=v3.7.0.0
+POVRAY_VERSION=latest-stable
+#v3.7.0.0
 
 if [ ! -d povray ]; then
 	git clone --depth 1 --branch $POVRAY_VERSION https://github.com/POV-Ray/povray povray