From 197a2d5606bb119ab9911fbe4b9bab64c6c57a66 Mon Sep 17 00:00:00 2001
From: kogitant <kogitant@koant.com>
Date: Fri, 8 Nov 2019 13:54:19 +0200
Subject: [PATCH 1/2] Docker support for using latest source codes of pgBadger

---
 Dockerfile       | 22 ++++++++++++++++++++++
 README_docker.md | 17 +++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 README_docker.md

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..84782b0c
--- /dev/null
+++ b/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/*
+
+
+ENTRYPOINT ["/usr/local/bin/pgbadger"]
+CMD ["--help"]
diff --git a/README_docker.md b/README_docker.md
new file mode 100644
index 00000000..c8289704
--- /dev/null
+++ b/README_docker.md
@@ -0,0 +1,17 @@
+# 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]:" /workdir/postgresql.log.2019-11-08-10 --outfile /workdir/report.html
+```

From f669dded1df3eefd1c4a7a896e6a990c4106a775 Mon Sep 17 00:00:00 2001
From: kogitant <kogitant@koant.com>
Date: Wed, 13 Nov 2019 08:04:24 +0200
Subject: [PATCH 2/2] Improved docker image usage by using /workdir as the,
 well, workdir. Updated README.md to link to the README_docker.md

---
 Dockerfile       |  2 +-
 README.md        |  3 +++
 README_docker.md | 17 ++++++++++++++---
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 84782b0c..ed52b2c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,6 +17,6 @@ RUN \
   apk del --purge .build && \
   rm -rf /workdir/*
 
-
+WORKDIR /workdir
 ENTRYPOINT ["/usr/local/bin/pgbadger"]
 CMD ["--help"]
diff --git a/README.md b/README.md
index f016306e..cd132485 100644
--- a/README.md
+++ b/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
diff --git a/README_docker.md b/README_docker.md
index c8289704..1964e835 100644
--- a/README_docker.md
+++ b/README_docker.md
@@ -1,17 +1,28 @@
 # Dockerfile
 ## Build docker image
 ```
-docker build -t pgbadger:latest .
+$ docker build -t pgbadger:latest .
 ```
 
 To be able to rebuild existing image when source code changes, run
 ```
-docker rmi pgbadger
+$ docker rmi pgbadger
 ```
 and then rebuild the image
 
 
 ## Use
 ```
-docker run -i --rm  -v $(pwd):/workdir pgbadger:latest -f stderr  -p "%t:%r:%u@%d:[%p]:" /workdir/postgresql.log.2019-11-08-10 --outfile /workdir/report.html
+$ 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
 ```