v0.7.4, update docs

.circleci/config.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
       - checkout
       - setup_remote_docker:
-          version: 17.05.0-ce
+          version: 19.03.13
       - run: make image
       - deploy: 
           command: |

README.md

@@ -20,7 +20,7 @@ Fetch the [latest release](https://github.com/bcicen/ctop/releases) for your pla
 #### Linux
 
 ```bash
-sudo wget https://github.com/bcicen/ctop/releases/download/v0.7.3/ctop-0.7.3-linux-amd64 -O /usr/local/bin/ctop
+sudo wget https://github.com/bcicen/ctop/releases/download/v0.7.4/ctop-0.7.4-linux-amd64 -O /usr/local/bin/ctop
 sudo chmod +x /usr/local/bin/ctop
 ```
 
@@ -31,7 +31,7 @@ brew install ctop
 ```
 or
 ```bash
-sudo curl -Lo /usr/local/bin/ctop https://github.com/bcicen/ctop/releases/download/v0.7.3/ctop-0.7.3-darwin-amd64
+sudo curl -Lo /usr/local/bin/ctop https://github.com/bcicen/ctop/releases/download/v0.7.4/ctop-0.7.4-darwin-amd64
 sudo chmod +x /usr/local/bin/ctop
 ```
 
@@ -56,7 +56,9 @@ Build steps can be found [here][build].
 
 ### Config file
 
-While running, use `S` to save the current filters, sort field, and other options to a default config path. These settings will be loaded and applied the next time `ctop` is started.
+While running, use `S` to save the current filters, sort field, and other options to a default config path (`~/.config/ctop/config` on XDG systems, else `~/.ctop`).
+
+Config file values will be loaded and applied the next time `ctop` is started.
 
 ### Options
 
@@ -86,6 +88,7 @@ Option | Description
 |       <kbd>o</kbd>       | Open single view                                           |
 |       <kbd>l</kbd>       | View container logs (`t` to toggle timestamp when open)    |
 |       <kbd>e</kbd>       | Exec Shell                                                 |
+|       <kbd>c</kbd>       | Configure columns                                          |
 |       <kbd>S</kbd>       | Save current configuration to file                         |
 |       <kbd>q</kbd>       | Quit ctop                                                  |
 

VERSION

@@ -1 +1 @@
-0.7.3
+0.7.4

_docs/build.md

@@ -1,10 +1,8 @@
 # Build
 
-To build `ctop` from source, ensure you have [dep](https://github.com/golang/dep) installed and run:
+To build `ctop` from source, simply clone the repo and run:
 
 ```bash
-go get github.com/bcicen/ctop && \
-cd $GOPATH/src/github.com/bcicen/ctop && \
 make build
 ```
 
@@ -16,5 +14,8 @@ make image
 Now you can run your local image:
 
 ```bash
-docker run -ti --name ctop --rm -v /var/run/docker.sock:/var/run/docker.sock ctop
+docker run --rm -ti \
+  --name ctop \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  ctop:latest
 ```