diff --git a/README.md b/README.md
index c176952c9..8c8d537ba 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ UAVCAN stack in C++
 
 [![Build Status](https://badge.buildkite.com/af844974c06af6406e3b2192d98298b02b30f6ebebb5f8b16c.svg)](https://buildkite.com/uavcan/libuavcan-v1)
 [![Forum](https://img.shields.io/discourse/https/forum.uavcan.org/users.svg)](https://forum.uavcan.org)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/5d487b332d99498699a0af687fa513a1)](https://www.codacy.com/app/UAVCAN/libuavcan_v1?utm_source=github.com&utm_medium=referral&utm_content=UAVCAN/libuavcan&utm_campaign=Badge_Grade)
 
 Portable reference implementation of the [UAVCAN protocol stack](https://new.uavcan.org) in C++ for embedded systems, Linux, and POSIX-compliant RTOSs.
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 1f8fa180d..06e589488 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,7 +1,7 @@
 #
 # Builds a docker image for test and validation builds.
 #
-FROM uavcan/libuavcan
+FROM uavcan/libuavcan:latest
 
 VOLUME /repo
 
diff --git a/docker/README.md b/docker/README.md
index 24f19cb6e..8ce58092d 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -7,7 +7,7 @@ for development, continuous-integration, and test automation.
 
 (these instructions assume you have docker installed and running)
 
-```
+```bash
 cd /path/to/libuavcan
 
 docker pull uavcan/libuavcan:latest
@@ -21,7 +21,7 @@ docker run --rm -t -v /path/to/libuavcan/build:/repo uavcan/libuavcan:latest /bi
 
 On macintosh you'll probably want to optimize osxfs with something like cached or delegated:
 
-```
+```bash
 docker run --rm -t -v /path/to/libuavcan/build:/repo:delegated uavcan/libuavcan:latest /bin/sh -c 'cd build_docker && mkdir make -j8'
 ```
 
@@ -29,7 +29,7 @@ See ["Performance tuning for volume mounts"](https://docs.docker.com/docker-for-
 
 Finally, to enter an interactive shell in this container something like this should work:
 
-```
+```bash
 docker run --rm -it -v /path/to/libuavcan:/repo uavcan/libuavcan:latest
 ```
 
@@ -37,7 +37,7 @@ docker run --rm -it -v /path/to/libuavcan:/repo uavcan/libuavcan:latest
 
 You can use this in your .travis.yml like this:
 
-```
+```bash
 language: cpp
 
 services:
@@ -55,16 +55,16 @@ script:
 
 These instructions are for maintainers with permissions to push to the [uavcan organization on Docker Hub](https://cloud.docker.com/u/uavcan).
 
-```
+```bash
 docker build .
 ```
-```
+```bash
 docker images
 
 REPOSITORY   TAG      IMAGE ID       CREATED              SIZE
 <none>       <none>   736647481ad3   About a minute ago   1GB
 ```
-```
+```bash
 docker tag 736647481ad3 uavcan/libuavcan:latest
 docker login --username=yourhubusername
 docker push uavcan/libuavcan:latest