docker+GitHub: bump golang to v1.17.6

Author: guggero

.github/workflows/main.yml

@@ -12,6 +12,11 @@ env:
   # go needs absolute directories, using the $HOME variable doesn't work here.
   DOWNLOAD_CACHE: /home/runner/work/download_cache
 
+  # If you change this value, please change it in the following files as well:
+  # /Dockerfile
+  # /dev.Dockerfile
+  GO_VERSION: 1.17.6
+
 jobs:
   frontend:
     name: frontend tests on ${{ matrix.os }}
@@ -217,5 +222,10 @@ jobs:
         working-directory: ./app
         run: yarn
 
+      - name: setup go ${{ env.GO_VERSION }}
+        uses: actions/setup-go@v2
+        with:
+          go-version: '${{ env.GO_VERSION }}'
+
       - name: run check
         run: make itest

Dockerfile

@@ -33,7 +33,10 @@ RUN apk add --no-cache --update alpine-sdk \
 
 # The first stage is already done and all static assets should now be generated
 # in the app/build sub directory.
-FROM golang:1.16.0-alpine as golangbuilder
+# If you change this value, please also update:
+# /dev.Dockerfile
+# /.github/workflows/main.yml
+FROM golang:1.17.6-alpine as golangbuilder
 
 # Instead of checking out from git again, we just copy the whole working
 # directory of the previous stage that includes the generated static assets.

dev.Dockerfile

@@ -10,7 +10,10 @@ RUN cd /go/src/github.com/lightninglabs/lightning-terminal/app \
 
 # The first stage is already done and all static assets should now be generated
 # in the app/build sub directory.
-FROM golang:1.16.0-alpine as golangbuilder
+# If you change this value, please also update:
+# /Dockerfile
+# /.github/workflows/main.yml
+FROM golang:1.17.6-alpine as golangbuilder
 
 # Instead of checking out from git again, we just copy the whole working
 # directory of the previous stage that includes the generated static assets.