use the correct package maanger in Dockerfile

Signed-off-by: ngn <ngn@ngn.tf>

.dockerignore

@@ -1,6 +1,7 @@
 *.png
 *.md
-LICENSE
+accounts.*
-docker-compose.yml
+LICENSE.txt
+compose.yml
 Dockerfile
 tests/

.travis.yml

@@ -1,51 +0,0 @@
-jobs:
-  include:
-    - stage: test
-      if: (NOT type IN (pull_request)) AND (branch = master)
-      dist: bionic
-      language: python
-      python:
-        - 3.6
-      services:
-        - docker
-        - xvfb
-      script:
-        - sudo apt update
-        - sudo apt install --force-yes chromium-chromedriver
-        - wget https://www.dropbox.com/s/ckuoaubd1crrj2k/Linux_x64_737173_chrome-linux.zip -O chrome.zip
-        - unzip chrome.zip
-        - cd chrome-linux
-        - sudo rm /usr/bin/google-chrome
-        - sudo ln -s chrome /usr/bin/google-chrome
-        - cd ..
-        - pip3 install --upgrade pip
-        - pip3 install -U seleniumbase pytest
-        - docker run -d -p 127.0.0.1:8080:8080/tcp $IMAGE_NAME:$TRAVIS_COMMIT
-        - sleep 10
-        - cd tests
-        - pytest --headless -n 8 --reruns 10 --reruns-delay 2
-    - stage: pr
-      if: type IN (pull_request)
-      dist: bionic
-      language: python
-      python:
-        - 3.6
-      services:
-        - docker
-        - xvfb
-      script:
-        - sudo apt update
-        - sudo apt install --force-yes chromium-chromedriver
-        - wget https://www.dropbox.com/s/ckuoaubd1crrj2k/Linux_x64_737173_chrome-linux.zip -O chrome.zip
-        - unzip chrome.zip
-        - cd chrome-linux
-        - sudo rm /usr/bin/google-chrome
-        - sudo ln -s chrome /usr/bin/google-chrome
-        - cd ..
-        - pip3 install --upgrade pip
-        - pip3 install -U seleniumbase pytest
-        - docker build -t $IMAGE_NAME:$TRAVIS_COMMIT .
-        - docker run -d -p 127.0.0.1:8080:8080/tcp $IMAGE_NAME:$TRAVIS_COMMIT
-        - sleep 10
-        - cd tests
-        - pytest --headless -n 8 --reruns 3 --reruns-delay 2

Dockerfile

@@ -13,7 +13,8 @@ RUN nimble scss
 
 FROM debian:unstable-slim
 
-RUN apk --no-cache add pcre ca-certificates
+RUN apt update
+RUN apt install -y pcre ca-certificates
 RUN useradd -d /src -u 1001 nitter
 
 WORKDIR /srv