Feature: Add Dockerfile (#1482)

* chore: Add Dockerfile

* chore: Add .dockerignore

* fix: Add --no-cache-dir option

* fix: Add volume

* docs: Add Dockerfile entry

Author: sijis

Diff for: .dockerignore

@@ -0,0 +1,19 @@
+.git
+**/*.pyc
+*.egg-info/
+*.swp
+dist/
+coverage/
+tmp/
+docs/_build/
+cache/
+.local/
+.DS_STORE
+.tox/
+results.xml
+.idea/
+.vscode/
+.pytest_cache/
+.Python
+pip-selfcheck.json
+.coverage

Diff for: CHANGES.rst

@@ -5,6 +5,7 @@ features:
 
 - core: Add support for python3.9 (#1477)
 - chore: Allow dependabot to check GitHub actions weekly (#1464)
+- chore: Add Dockerfile (#1482)
 
 fixes:
 

Diff for: Dockerfile

@@ -0,0 +1,21 @@
+FROM python:3.8-slim as BUILD
+WORKDIR /wheel
+COPY . .
+RUN pip3 wheel --wheel-dir=/wheel \
+    errbot errbot[irc] errbot[slack] errbot[XMPP] errbot[telegram]
+
+FROM python:3.8-slim
+COPY --from=BUILD /wheel /wheel
+RUN apt update && \
+    apt install -y git && \
+    cd /wheel && \
+    pip3 -vv install --no-cache-dir --no-index --find-links /wheel \
+    errbot errbot[irc] errbot[slack] errbot[XMPP] errbot[telegram] && \
+    rm -rf /wheel /var/lib/apt/lists/*
+
+RUN useradd -m errbot
+USER errbot
+EXPOSE 3141 3142
+VOLUME /home/errbot
+WORKDIR /home/errbot
+ENTRYPOINT [ "/usr/local/bin/errbot" ]