Added Dockerfile with czech unaccent rules based on postgres:10

Author: kedlas

.gitignore

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+.DS_Store

Dockerfile

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+FROM postgres:10
+
+RUN localedef -i cs_CZ -c -f UTF-8 -A /usr/share/locale/locale.alias cs_CZ.UTF-8
+ENV LANG cs_CZ.utf8
+
+COPY ./czech_unaccent.tar.gz /root
+RUN cd /root && tar xvzf czech_unaccent.tar.gz && \
+      cp fulltext_dicts/* $(find / -iname "tsearch_data") && \
+      rm -rf fulltext_dicts czech.tar.gz
+
+COPY ./init-scripts/* /docker-entrypoint-initdb.d/

README.md

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+# Postgres
+
+Postgres with configured unaccent for Czech language
+
+-----
+
+[![Docker Stars](https://img.shields.io/docker/stars/dockette/postgres.svg?style=flat)](https://hub.docker.com/r/dockette/postgres/)
+[![Docker Pulls](https://img.shields.io/docker/pulls/dockette/postgres.svg?style=flat)](https://hub.docker.com/r/dockette/postgres/)
+
+## Discussion / Help
+
+[![Join the chat](https://img.shields.io/gitter/room/dockette/dockette.svg?style=flat-square)](https://gitter.im/dockette/dockette?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
+## Usage
+
+```sh
+docker build -t dockette-postgres .
+
+docker run --rm -it -p 5432:5432 --name dockette-postgres dockette-postgres
+
+```
+
+## Credits
+
+Thanks Ondrej Musil for: https://github.com/freaz/docker-postgres-czech-unaccent
+
+## Tip
+
+Without any docker volumes configured Postgres data will be lost after container stops.

czech_unaccent.tar.gz

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+CREATE TEXT SEARCH DICTIONARY cspell
+   (template=ispell, dictfile = czech_unaccent, afffile=czech_unaccent, stopwords=czech_unaccent);
+CREATE TEXT SEARCH CONFIGURATION cs (copy=english);
+ALTER TEXT SEARCH CONFIGURATION cs
+ALTER MAPPING FOR word, asciiword WITH cspell, simple;
+CREATE EXTENSION unaccent;