https://github.com/dwolla/docker-java
Dwolla’s customized Java Docker image
https://github.com/dwolla/docker-java
Last synced: 9 months ago
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Dwolla’s customized Java Docker image
- Host: GitHub
- URL: https://github.com/dwolla/docker-java
- Owner: Dwolla
- Created: 2015-08-31T18:34:47.000Z (over 10 years ago)
- Default Branch: main
- Last Pushed: 2023-11-17T22:49:13.000Z (about 2 years ago)
- Last Synced: 2025-02-15T23:45:20.912Z (11 months ago)
- Language: Shell
- Homepage: https://hub.docker.com/r/dwolla/java/
- Size: 19.5 KB
- Stars: 0
- Watchers: 22
- Forks: 3
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# Dwolla Java Base Image
Starting from the official [`openjdk`](https://github.com/docker-library/openjdk) images, these `Dockerfile`s modify each JRE’s `java.security` settings to set the DNS TTL to 60 seconds and to [use `/dev/urandom`* as an entropy source](http://www.2uo.de/myths-about-urandom/).
_* Actually, it's using `/dev/./urandom` instead of `/dev/urandom`. This is the same thing, but it's working around a [“feature” of the JRE](https://bugs.openjdk.java.net/browse/JDK-6202721) that looks for the string `/dev/urandom` and switches it back to `/dev/random`. The only references to that behavior I can find are for Java 5 and 6, but in an abundance of caution, we're working around it in these Java 8 images too._