Add Upgrade notes

Author: crazy-max

CHANGELOG.md

@@ -53,9 +53,7 @@
 * Go 1.13.5
 * Seconds field optional for schedule
 
-> :warning: **BREAKING CHANGES**<br />
-> `image` field has been moved to `providers.static` in configuration file.<br />
-> See [providers configuration](doc/configuration.md#providers) for more info.
+> :warning: See [**UPGRADE NOTES**](UPGRADE.md#1x--2x) for breaking changes.
 
 ## 1.4.1 (2019/10/20)
 
@@ -66,20 +64,10 @@
 
 * Multi-platform Docker image
 * Switch to GitHub Actions
-* :warning: Run Docker container as non-root user
-* :warning: Stop publishing Docker image on Quay
+* Stop publishing Docker image on Quay
 * Go 1.12.10
 * Use GOPROXY
 
-> :warning: **UPGRADE NOTES**
-> As the Docker container now runs as a non-root user, you have to first stop the container and change permissions to `data` volume:
-> ```
-> docker-compose stop
-> chown -R 1000:1000 data/
-> docker-compose pull
-> docker-compose up -d
-> ```
-
 ## 1.3.0 (2019/08/22)
 
 * Add Linux service doc and sample
@@ -116,14 +104,7 @@
 * Review config file structure
 * Improve worker pool
 
-> :warning: **BREAKING CHANGES**
-> Some fields in configuration file has been changed:
-> * `registries` renamed `regopts`
-> * `items` renamed `image`
-> * `items[].image` renamed `image[].name`
-> * `items[].registry_id` renamed `image[].regopts_id`
-> * `watch.os` and `watch.arch` moved to `image[].os` and `image[].arch`
-> See README for more info.
+> :warning: See [**UPGRADE NOTES**](UPGRADE.md#0x--1x) for breaking changes.
 
 ## 0.5.0 (2019/06/09)
 

UPGRADE.md

@@ -0,0 +1,70 @@
+# Upgrade notes
+
+## 2.x > 3.x
+
+
+
+## 1.x > 2.x
+
+`image` field has been moved to `providers.static` in configuration file:
+
+> **1.x**
+```yaml
+image:
+  - name: docker.io/crazymax/diun
+    watch_repo: true
+    max_tags: 10
+```
+
+> **2.x**
+```yaml
+providers:
+  static:
+    - name: docker.io/crazymax/diun
+      watch_repo: true
+      max_tags: 10
+```
+
+See [providers configuration](doc/configuration.md#providers) for more info.
+
+## 0.x > 1.x
+
+Some fields in configuration file has been changed:
+
+* `registries` renamed `regopts`
+* `items` renamed `image`
+* `items[].image` renamed `image[].name`
+* `items[].registry_id` renamed `image[].regopts_id`
+* `watch.os` and `watch.arch` moved to `image[].os` and `image[].arch`
+
+> **0.x**
+```yaml
+watch:
+  os: linux
+  arch: amd64
+
+registries:
+  someregistryoptions:
+    username: foo
+    password: bar
+    timeout: 20
+
+items:
+  - image: docker.io/crazymax/nextcloud:latest
+    registry_id: someregistryoptions
+```
+
+> **1.x**
+```yaml
+regopts:
+  someregistryoptions:
+    username: foo
+    password: bar
+    timeout: 20
+
+image:
+  - name: docker.io/crazymax/nextcloud:latest
+    regopts_id: someregistryoptions
+    os: linux
+    arch: amd64
+```