initial changes to use alpine & musl; currently builds up through hdf5

Dockerfile

 # This image creates a common scientific build environment that includes:
 # gfortran, hdf4, hdf5, netcdf4
 
-FROM gcc:latest
+FROM alpine:latest
 
 ENV BUILD /build
 ENV OPT /opt
@@ -11,18 +11,19 @@ ENV ZLIB_VERSION 1.2.11
 ENV JPEG_VERSION 6b
 ENV SZIP_VERSION 2.1
 ENV HDF4_VERSION 4.2.12
-ENV HDF5_VERSION 1.10.4
-ENV NC4F_VERSION 4.4.4
-ENV NC4C_VERSION 4.4.1
+ENV HDF5_VERSION 1.10.5
+ENV NC4F_VERSION 4.4.5
+ENV NC4C_VERSION 4.6.1
 ENV NCO_VERSION 4.6.1
 ENV PYHDF_VERSION 0.9.0
 ENV NETCDFPY_VERSION 1.2.4rel
 
-# grab some packages we need
-RUN apt-get update && apt-get install -y byacc bison diffutils flex make
+# grab some CORE packages we need
+# WE LOST: byacc, screen
+RUN apk update && apk add gcc gfortran g++ bison diffutils flex make libtirpc-dev gawk
 
 # grab some convenience packages for using it as a build "machine"
-RUN apt-get install -y vim less tree screen unzip cvs subversion git gdb valgrind
+RUN apk add vim less tree unzip cvs subversion git gdb valgrind
 
 # this is our install dir for everything non-core
 RUN mkdir -p ${OPT}
@@ -38,17 +39,7 @@ RUN mkdir -p ${BUILD} && cd ${BUILD} && \
     rm -rf ${BUILD}
 
 # add libjpeg
-# NOTE: this has moved to: http://www.ijg.org/
-# ... can we just use the one in debian instead?
-#     https://packages.debian.org/search?keywords=libjpeg
-RUN apt-get install -y libjpeg-dev
-# RUN mkdir -p ${BUILD} && cd ${BUILD} && \
-#     wget -q https://www.hdfgroup.org/ftp/lib-external/jpeg/src/jpegsrc.v${JPEG_VERSION}.tar.gz && \
-#     tar xzf jpegsrc.v${JPEG_VERSION}.tar.gz && \
-#     cd jpeg-${JPEG_VERSION} && \
-#     ./configure && make -j4 && make install && \
-#     cp config.log ${OPT}/config.log-jpeg-${JPEG_VERSION} && \
-#     rm -rf ${BUILD}
+RUN apk add libjpeg-turbo-dev
 
 ## add szip
 #RUN mkdir -p ${BUILD} && cd ${BUILD} && \
@@ -64,8 +55,9 @@ RUN mkdir -p ${BUILD} ${OPT}/hdf4 && cd ${BUILD} && \
     wget -q http://www.hdfgroup.org/ftp/HDF/releases/HDF${HDF4_VERSION}/src/hdf-${HDF4_VERSION}.tar.gz && \
     tar xzf hdf-${HDF4_VERSION}.tar.gz && \
     cd hdf-${HDF4_VERSION} && \
-    CFLAGS="-fPIC -DHAVE_NETCDF -fno-strict-aliasing" \
-    CXXFLAGS="-fPIC -DHAVE_NETCDF -fno-strict-aliasing" \
+    LIBS="-ltirpc" \
+    CFLAGS="-fPIC -DHAVE_NETCDF -fno-strict-aliasing -I/usr/include/tirpc" \
+    CXXFLAGS="-fPIC -DHAVE_NETCDF -fno-strict-aliasing -I/usr/include/tirpc" \
     ./configure --prefix="${OPT}/hdf4" --disable-netcdf --enable-fortran && make -j4 && make install && \
     mv ${OPT}/hdf4/bin/ncdump ${OPT}/hdf4/bin/hdfdump && \
     mv ${OPT}/hdf4/bin/ncgen  ${OPT}/hdf4/bin/hdfgen && \
@@ -82,7 +74,10 @@ RUN mkdir -p ${BUILD} ${OPT}/hdf5 && cd ${BUILD} && \
     wget -q https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-${HDF5_VERSION}/src/hdf5-${HDF5_VERSION}.tar.bz2 && \
     tar xjf hdf5-${HDF5_VERSION}.tar.bz2 && \
     cd hdf5-${HDF5_VERSION} && \
-    ./configure --prefix="${OPT}/hdf5" --with-pic --with-zlib="${OPT}/zlib" --enable-cxx --enable-fortran --enable-fortran2003 --with-pthread --with-default-api-version=v18 && make -j4 && make install && \
+    LIBS="-ltirpc" \
+    CFLAGS="-fPIC -DHAVE_NETCDF -fno-strict-aliasing -I/usr/include/tirpc" \
+    CXXFLAGS="-fPIC -DHAVE_NETCDF -fno-strict-aliasing -I/usr/include/tirpc" \
+    ./configure --prefix="${OPT}/hdf5" --with-pic --enable-static-exec --enable-cxx --enable-fortran && make -j4 && make install && \
     cp config.log ${OPT}/hdf5/config.log-hdf5-${HDF5_VERSION} && \
     rm -rf ${BUILD}
 
@@ -123,8 +118,8 @@ RUN mkdir -p ${BUILD} ${OPT}/nco && cd ${BUILD} && \
     rm -rf ${BUILD}
 
 ## add uwglance for verifying data, etc.
-RUN apt-get install -y python-setuptools python-numpy python-scipy python-matplotlib python-mpltoolkits.basemap
-RUN easy_install -f http://larch.ssec.wisc.edu/cgi-bin/repos.cgi uwglance
+#RUN apt-get install -y python-setuptools python-numpy python-scipy python-matplotlib python-mpltoolkits.basemap
+#RUN easy_install -f http://larch.ssec.wisc.edu/cgi-bin/repos.cgi uwglance
 
 # ## add pyhdf for glance to read hdf4 files
 # RUN mkdir -p ${BUILD} && cd ${BUILD} && \