docs: update pip install command

remove `--no-cache-dir` as it is not necessary
this option is disabled by default

Author: cesarcoatl

.editorconfig

@@ -0,0 +1,14 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[{*.md,*.yaml,*.yml}]
+indent_style = space
+indent_size = 2
+x-soft-wrap-text = true

README.md

@@ -25,7 +25,7 @@ FROM coatldev/python:3
 WORKDIR /usr/src/app
 
 COPY requirements.txt ./
-RUN pip install --no-cache-dir -r requirements.txt
+RUN python -m pip install -r requirements.txt
 
 COPY . .
 
@@ -40,7 +40,7 @@ FROM coatldev/python:2
 WORKDIR /usr/src/app
 
 COPY requirements.txt ./
-RUN pip install --no-cache-dir -r requirements.txt
+RUN python -m pip install -r requirements.txt
 
 COPY . .