New Pebble version (#16)

Allow to build from different remote as well.

Dockerfile

@@ -1,10 +1,17 @@
-FROM golang:1.12-stretch as builder
+FROM golang:1.13-stretch as builder
 # Install pebble
-ARG PEBBLE_CHECKOUT="c65a2f3c2be48868db01363f32d1d99c77281946"
+ARG PEBBLE_REMOTE=
+ARG PEBBLE_CHECKOUT="7e026bbfe639ff65dbafacd1b4259a660a8c513f"
 ENV GOPATH=/go
-RUN go get -u github.com/letsencrypt/pebble/... && \
+RUN go get -v -u github.com/letsencrypt/pebble/... && \
     cd /go/src/github.com/letsencrypt/pebble && \
-    git checkout ${PEBBLE_CHECKOUT} && \
+    if [ "${PEBBLE_REMOTE}" != "" ]; then \
+      git remote add other ${PEBBLE_REMOTE} && \
+      git fetch other && \
+      git checkout -b other-${PEBBLE_CHECKOUT} --track other/${PEBBLE_CHECKOUT}; \
+    else \
+      git checkout ${PEBBLE_CHECKOUT}; \
+    fi && \
     go install ./...
 
 FROM python:3.6-slim-stretch

controller.py

@@ -226,7 +226,7 @@ def get_root_certificate_pebble(index):
     return urllib.request.urlopen("https://localhost:15000/roots/{0}".format(index), context=ctx).read()
 
 
-@app.route('/intermediate-certificate-for-ca<int:index>')
+@app.route('/intermediate-certificate-for-ca/<int:index>')
 def get_intermediate_certificate_pebble(index):
     ctx = ssl.create_default_context()
     ctx.check_hostname = False