Migrate to Go 1.17 for the go template

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Bump watchdogs for quick shutdowns

Fixes: #270

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

fix: install faas-cli as a seperate CI step

Run faas-cli install in it's own step to because this will install it
into the users PATH for us and the setup/verify script will
intelligently skip the faas-cli install step. This avoids a bug where
the script assumes that the cli was installed into the tmp dir instead
of the PATH.

Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>

Add options verb to node12 template, so a function implementation in …

…handler.js can implement custom response behavior

Signed-off-by: Jeremias Bosch <jeremias.bosch@basyskom.com>

Update dockerfile to use Alpine 3.12

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Update entrypoint to published jar version

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Add python3-debian to the readme

Updates the readme to include the new python3-debian in the list

Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>

Add python3-debian to the readme

Updates the readme to include the new python3-debian in the list

Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>

Support go modules

**What**
- Add support for nested go modules by supporting the GO_REPLACE.txt
  file and the build args for GO111MODULE and GOFLAGS

Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>

bump ruby version in template dockerfile

Signed-off-by: Aviv Dozorets <avivd@tikalk.com>