feat: add v2.6, remove v2.1 and v2.0

Only build the last 5 release branches

.github/workflows/publish-docker.yaml

@@ -16,7 +16,11 @@ jobs:
       matrix:
         include:
           - sdk_nrf_branch: main
-            toolchain_version: v2.5.0
+            toolchain_version: v2.6.0
+            native_board: native_sim
+
+          - sdk_nrf_branch: v2.6-branch
+            toolchain_version: v2.6.0
             native_board: native_sim
 
           - sdk_nrf_branch: v2.5-branch
@@ -35,14 +39,6 @@ jobs:
             toolchain_version: v2.2.0
             native_board: native_posix
 
-          - sdk_nrf_branch: v2.1-branch
-            toolchain_version: v2.1.3
-            native_board: native_posix
-
-          - sdk_nrf_branch: v2.0-branch
-            toolchain_version: v2.0.2
-            native_board: native_posix
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

.github/workflows/verify.yaml

@@ -10,7 +10,11 @@ jobs:
       matrix:
         include:
           - sdk_nrf_branch: main
-            toolchain_version: v2.5.0
+            toolchain_version: v2.6.0
+            native_board: native_sim
+
+          - sdk_nrf_branch: v2.6-branch
+            toolchain_version: v2.6.0
             native_board: native_sim
 
           - sdk_nrf_branch: v2.5-branch
@@ -29,14 +33,6 @@ jobs:
             toolchain_version: v2.2.0
             native_board: native_posix
 
-          - sdk_nrf_branch: v2.1-branch
-            toolchain_version: v2.1.3
-            native_board: native_posix
-
-          - sdk_nrf_branch: v2.0-branch
-            toolchain_version: v2.0.2
-            native_board: native_posix
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

Dockerfile

@@ -1,8 +1,8 @@
 FROM ubuntu:22.04 as base
 WORKDIR /workdir
 
-ARG sdk_nrf_branch=v2.5-branch
-ARG toolchain_version=v2.5.0
+ARG sdk_nrf_branch=v2.6-branch
+ARG toolchain_version=v2.6.0
 ARG sdk_nrf_commit
 ARG NORDIC_COMMAND_LINE_TOOLS_VERSION="10-24-0/nrf-command-line-tools-10.24.0"
 ARG arch=amd64

README.md

@@ -1,7 +1,7 @@
 # Dockerfile example for building nRF Connect SDK applications
 
 ![Publish Docker](https://github.com/NordicPlayground/nrf-docker/workflows/Publish%20Docker/badge.svg?branch=saga)
-(_the [Docker image](https://hub.docker.com/r/nordicplayground/nrfconnect-sdk) is build against [nRF Connect SDK](https://github.com/nrfconnect/sdk-nrf) `main`,`v2.5-branch`,`v2.4-branch`,`v2.3-branch`,`v2.2-branch`,`v2.1-branch`, and `v2.0-branch` every night._)
+(_the [Docker image](https://hub.docker.com/r/nordicplayground/nrfconnect-sdk) is build against [nRF Connect SDK](https://github.com/nrfconnect/sdk-nrf) `main`, and the last 5 release branches every night._)
 
 ![Docker + Zephyr -> merged.hex](./diagram.png)
 
@@ -35,7 +35,7 @@ Build the image (this is only needed once):
 
 ```bash
 cd nrf-docker
-docker build -t nrfconnect-sdk --build-arg sdk_nrf_version=v2.5-branch .
+docker build -t nrfconnect-sdk --build-arg sdk_nrf_version=v2.6-branch .
 ```
 
 > [!NOTE]
@@ -99,7 +99,7 @@ docker run --rm -v ${PWD}:/workdir/project \
 # build docker image
 git clone https://github.com/NordicPlayground/nrf-docker
 cd nrf-docker
-docker build -t nrfconnect-sdk --build-arg sdk_nrf_version=v2.5-branch .
+docker build -t nrfconnect-sdk --build-arg sdk_nrf_version=v2.6-branch .
 cd ..
 ```