chore(build): use our own goproxy to prevent issues with packages not found

.drone.yml

@@ -438,6 +438,7 @@ steps:
       # This path does not exist. However, when we set the gopath to /go, the build fails. Not sure why.
       # Leaving this here until we know how to resolve this properly.
       GOPATH: /srv/app
+      GOPROXY: https://goproxy.kolaente.de
     commands:
       - export PATH=$PATH:$GOPATH/bin
       - go install github.com/magefile/mage
@@ -451,6 +452,7 @@ steps:
       # This path does not exist. However, when we set the gopath to /go, the build fails. Not sure why.
       # Leaving this here until we know how to resolve this properly.
       GOPATH: /srv/app
+      GOPROXY: https://goproxy.kolaente.de
     commands:
       - export PATH=$PATH:$GOPATH/bin
       - go install github.com/magefile/mage
@@ -464,6 +466,7 @@ steps:
       # This path does not exist. However, when we set the gopath to /go, the build fails. Not sure why.
       # Leaving this here until we know how to resolve this properly.
       GOPATH: /srv/app
+      GOPROXY: https://goproxy.kolaente.de
     commands:
       - export PATH=$PATH:$GOPATH/bin
       - go install github.com/magefile/mage
@@ -775,6 +778,6 @@ steps:
         - failure
 ---
 kind: signature
-hmac: b32ea5780ab6c4e57f201ec468357340349591a3026c96efd669a0b9c10f0e34
+hmac: 6bc74f5b7e9c51e725100e05f07cdac656d6c3d49d19c2b112aed812c86e7a9a
 
 ...

Dockerfile

@@ -13,6 +13,7 @@ COPY . ./
 
 ARG TARGETOS TARGETARCH TARGETVARIANT
 
+ENV GOPROXY https://goproxy.kolaente.de
 RUN export PATH=$PATH:$GOPATH/bin && \
 	mage build:clean && \
     mage release:xgo "${TARGETOS}/${TARGETARCH}/${TARGETVARIANT}"