add alpine-pg16 dockerfile

docker/alpine/16/Dockerfile

@@ -0,0 +1,27 @@
+ARG PG_CONTAINER_VERSION=16
+FROM docker.io/library/postgres:${PG_CONTAINER_VERSION}-alpine as builder
+
+RUN set -ex \
+  && apk --no-cache add git build-base linux-headers make postgresql-dev automake libtool autoconf m4
+
+RUN set -ex \
+  && git clone --branch 1.2.3 --single-branch --depth 1 https://github.com/hightman/scws.git \
+  && cd scws \
+  && touch README;aclocal;autoconf;autoheader;libtoolize;automake --add-missing \
+  && ./configure \
+  && make install
+
+RUN set -ex \
+  && git clone --branch master --single-branch --depth 1 https://github.com/amutu/zhparser.git \
+  && cd zhparser \
+  && make install
+
+FROM docker.io/library/postgres:${PG_CONTAINER_VERSION}-alpine
+ENV LANG zh_CN.UTF-8
+
+COPY --from=builder /usr/local/lib/postgresql/zhparser.so /usr/local/lib/postgresql/
+COPY --from=builder /usr/local/lib/libscws.* /usr/local/lib/
+COPY --from=builder /usr/local/share/postgresql/extension/zhparser* /usr/local/share/postgresql/extension/
+COPY --from=builder /usr/local/lib/postgresql/bitcode/zhparser* /usr/local/lib/postgresql/bitcode/
+COPY --from=builder /usr/local/share/postgresql/tsearch_data/dict.utf8.xdb /usr/local/share/postgresql/tsearch_data/
+COPY --from=builder /usr/local/share/postgresql/tsearch_data/rules.utf8.ini /usr/local/share/postgresql/tsearch_data/