Release policy/docker images version 2.3.1

Issue-ID: POLICY-3696
Change-Id: I90cf8e4064b77e530b88d4a88c19caadc574ba23
Signed-off-by: liamfallon <liam.fallon@est.tech>
diff --git a/releases/2.3.1-container.yaml b/releases/2.3.1-container.yaml
new file mode 100644
index 0000000..aa559f8
--- /dev/null
+++ b/releases/2.3.1-container.yaml
@@ -0,0 +1,12 @@
+distribution_type: 'container'
+container_release_tag: '2.3.1'
+project: 'policy-docker'
+log_dir: 'policy-docker-maven-docker-stage-master/487'
+ref: f26a5a9e8fc711023526032f1b6e276ab287c76e
+containers:
+    - name: 'policy-jre-alpine'
+      version: '2.3.1-20211012T2117'
+    - name: 'policy-jdk-alpine'
+      version: '2.3.1-20211012T2117'
+    - name: 'policy-db-migrator'
+      version: '2.3.1-20211012T2117'