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Last pushed: 3 months ago
Short Description
Docker base images for Tomcat applications which use JDBC database connections
Full Description

Docker base images for Tomcat applications which use JDBC database connections.

Supported tags and respective Dockerfile links

Build

for file in *.Dockerfile; do
    tag=$(basename $file ".Dockerfile")
    docker build -t "envris/tomcat-jdbc:${tag}" --file $file .
done

Usage

Use envris/tomcat-jdbc as the base image for your application's image.

Place your Tomcat web application WAR file in the context directory, and any JDBC driver JAR files in the lib subdirectory. Docker onbuild instructions will add these files for you.

Example Dockerfile:

FROM envris/tomcat-jdbc:8-jre7

Configuration

To configure each JDBC resource, set the below environment variables and secrets, replacing MYRESOURCE with an identifier for that JDBC resource.
Multiple JDBC resources can be defined.

For each JDBC resource, you must specify RESOURCE and either URL or HOST, PORT, NAME and (optionally) DRIVER.

Name Type Value Default value
MYRESOURCE_RESOURCE Environment Variable Name of the JDBC Resource N/A
MYRESOURCE_USER Environment Variable DB username N/A
MYRESOURCE_URL Environment Variable JDBC URL N/A
MYRESOURCE_DRIVER Environment Variable DB JDBC Driver oraclethin
MYRESOURCE_HOST Environment Variable DB hostname N/A
MYRESOURCE_PORT Environment Variable DB tcp port N/A
MYRESOURCE_NAME Environment Variable DB instance name N/A
myresource_pass Docker secret DB password N/A
MYRESOURCE_MAXACTIVE Environment Variable maxActive Attribute 10
MYRESOURCE_MAXIDLE Environment Variable maxIdle Attribute 2
MYRESOURCE_MAXWAIT Environment Variable maxWait Attribute 2000

To configure Parameters, set the below environment variables for each Parameter, replacing MYPARAM with an identifier.

Name Value Mandatory
PARAM_MYPARAM_NAME Parameter name Yes
PARAM_MYPARAM_VALUE Parameter value Yes
PARAM_MYPARAM_DESCRIPTION Parameter description No
PARAM_MYPARAM_NAME Parameter name No

To configure the Tomcat Manger application, set the below environment variables and secrets.
Omitting the TOMCAT_ADMIN environment variable will disable the admin user.

Name Type Value
TOMCAT_ADMIN Environment Variable Tomcat manager username
tomcat_pass Docker secret Tomcat manager password

Copyright

Copyright 2017 Australian Government Department of the Environment and Energy
devops@ris.environment.gov.au

tomcat-jdbc is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

tomcat-jdbc is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with tomcat-jdbc. If not, see http://www.gnu.org/licenses/.

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envris
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