49: Use a Personal Access Token to access private modulees.

Dockerfile

@@ -3,23 +3,21 @@ FROM golang:1.20-alpine as builder
 
 RUN apk add --no-cache gcc musl-dev binutils-gold linux-headers git
 
-# Configure creds for gitea
-ARG GITEA_TOKEN
-RUN echo $GITEA_TOKEN > ~/.token
-RUN git config --global credential.username _ # ignored, but prevents prompt
-RUN git config --global credential.helper \
-    '!f() { test "$1" = get && echo "password=$(cat $HOME/.token)"; }; f'
-
-WORKDIR /plugeth-statediff/
+ARG gitea_access_token
+ENV GITEA_ACCESS_TOKEN=$gitea_access_token
 
 # Get and cache deps
-COPY go.mod .
-COPY go.sum .
-RUN go mod download
+COPY go.mod /plugeth-statediff/
+COPY go.sum /plugeth-statediff/
+RUN if [ -n "$GITEA_ACCESS_TOKEN" ]; then git config --global url."https://$GITEA_ACCESS_TOKEN:@git.vdb.to/".insteadOf "https://git.vdb.to/"; fi && \
+    cd /plugeth-statediff && \
+    go mod download && \
+    rm -f ~/.gitconfig
 
-ADD . .
-RUN go build --tags linkgeth --buildmode=plugin --trimpath -o statediff.so ./main
+ADD . /plugeth-statediff
+RUN cd /plugeth-statediff && \
+    go build --tags linkgeth --buildmode=plugin --trimpath -o statediff.so ./main
 
-FROM alpine:latest
+FROM alpine:3.18
 
 COPY --from=builder /plugeth-statediff/statediff.so /usr/local/lib/