Updated Dockerfile to build cleanly and doc. (#2154)

.gitignore

@@ -1,3 +1,4 @@
+.history
 secrets.json
 *.egg-info
 .idea

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.7-stretch as base
+FROM python:3.9-bullseye as base
 
 # Get the latest spec-data, then cache it so we don't have to redo this on every rebuild
 from base as specdata
@@ -8,14 +8,12 @@ RUN git clone --depth=1 --branch=master https://github.com/tabatkins/bikeshed.gi
 RUN pip install --editable /bikeshed-master
 RUN bikeshed update
 
-
 FROM base as builder
 RUN mkdir /install
 WORKDIR /install
 
 COPY requirements.txt /requirements.txt
-RUN pip install --install-option="--prefix=/install" -r /requirements.txt
-
+RUN pip install --prefix=/install -r /requirements.txt
 
 FROM base
 RUN mkdir -p /app/bikeshed
@@ -24,7 +22,8 @@ WORKDIR /app
 COPY --from=builder /install /usr/local
 COPY --from=specdata /bikeshed-master/bikeshed/spec-data /app/bikeshed/spec-data
 
-COPY setup.py /app/
+# setup.py opens README.md, semver.txt and requirements.txt so they must be copied.
+COPY setup.py README.md semver.txt requirements.txt /app/
 RUN pip install --editable .
 
 COPY .git /app/.git

docs/index.bs

@@ -448,7 +448,7 @@ Example for a Unix host:
 Example for a Windows host:
 
     ```
-    docker run --rm --volume C:\mystuff\project1\:\data bikeshed spec \data\Index.bs \data\out\Index.html
+    docker run --rm --volume C:\mystuff\project1\:/data <organization>/bikeshed:<date> spec /data/Index.bs /data/out/Index.html
     ```
 
 Note that the [[#cli-options]] apply to running Bikeshed from a docker image.