Docker base images for Tomcat applications which use JDBC database connections
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Docker base images for Tomcat applications which use JDBC database connections. Alpine versions are less than half the size of standard images but have virtually no packages installed and use busybox instead of bash.
Dockerfile links7-jre7 (7-jre7.Dockerfile)7-jre7-alpine (7-jre7-alpine.Dockerfile)7-jre8 (7-jre8.Dockerfile)7-jre8-alpine (7-jre8-alpine.Dockerfile)8-jre7 (8-jre7.Dockerfile)8-jre7-alpine (8-jre7-alpine.Dockerfile)8-jre8 (8-jre8.Dockerfile)8-jre8-alpine (8-jre8-alpine.Dockerfile)for file in *.Dockerfile; do
tag=$(basename $file ".Dockerfile")
docker build -t "envris/tomcat-jdbc:${tag}" --file $file .
done
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
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 2017 Australian Government Department of the Environment and Energy
[email protected]
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/.
Content type
Image
Digest
Size
193.5 MB
Last updated
almost 9 years ago
docker pull envris/tomcat-jdbc:7-jre7