Dockerization

Dockerfile

@@ -0,0 +1,22 @@
+# Based on https://github.com/matsuu/docker-pgbadger
+
+FROM alpine
+RUN \
+  apk update && \
+  apk upgrade && \
+  apk add perl && \
+  apk add --virtual .build curl make
+
+ADD . /workdir
+RUN \
+  ( \
+    cd /workdir && \
+    perl Makefile.PL && \
+    make install \
+  ) && \
+  apk del --purge .build && \
+  rm -rf /workdir/*
+
+WORKDIR /workdir
+ENTRYPOINT ["/usr/local/bin/pgbadger"]
+CMD ["--help"]

README.md

@@ -482,6 +482,9 @@ For example, to install everything just like Debian does, proceed as follows:
 
 By default INSTALLDIRS is set to site.
 
+### DOCKER IMAGE
+You can build a docker image of pgbadger following the instructions in [README_Docker.md](README_docker.md)
+
 ### POSTGRESQL CONFIGURATION
 
 You must enable and set some configuration directives in your postgresql.conf

README_docker.md

@@ -0,0 +1,28 @@
+# Dockerfile
+## Build docker image
+```
+$ docker build -t pgbadger:latest .
+```
+
+To be able to rebuild existing image when source code changes, run
+```
+$ docker rmi pgbadger
+```
+and then rebuild the image
+
+
+## Use
+```
+$ docker run -i --rm  -v $(pwd):/workdir pgbadger:latest -f stderr  -p "%t:%r:%u@%d:[%p]:" postgresql.log.2019-11-08-10 --outfile report.html
+```
+
+Or parse multiple files at once with 4 threads:
+```
+$ cat files_to_parse.txt
+postgresql.log.2019-11-08-08
+postgresql.log.2019-11-08-09
+postgresql.log.2019-11-08-10
+postgresql.log.2019-11-08-11
+
+$ docker run -i --rm  -v $(pwd):/workdir pgbadger:latest -j 4 -f stderr  -p "%t:%r:%u@%d:[%p]:" -L files_to_parse.txt --outfile report.html
+```