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FROM crystallang/crystal:0.31.1
# Install Dependencies
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update -qq && apt-get install -y --no-install-recommends libpq-dev libsqlite3-dev libmysqlclient-dev libreadline-dev git curl vim netcat
RUN apt-get install -y build-essential software-properties-common libavahi-client-dev libavahi-compat-libdnssd1 libavahi-compat-libdnssd-dev
# Install Node
RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
RUN apt-get install -y nodejs nano sqlite3
# Install Amber
ENV PATH /app/bin:$PATH
WORKDIR /app
# Add Project deps
COPY package.json shard.yml /app/
RUN shards update
RUN shards build amber
ADD . /app
# docker-compose.yml
version: '2'
services:
smartbox:
build: .
command: bash /app/scripts/startup.sh
depends_on:
- nodered
- signalk
environment:
DATABASE_URL: sqlite3:./db/smartbox_development.db
ports:
- 3500:80
volumes:
- .:/app
@nsuchy another way to do this is to wrap each service in a shell script which alters the environment (export REDIS_URL=“$MOSQUITO_REDIS”) and then execs into the process you’re running (exec shards run mosquito).
The problem with declaring an environment variable dedicated to this setup style, is it doesn’t scale well. Every bespoke pattern requires all supporting libraries to update accordingly — N code changes for N usage patterns.
config/settings.cr you can uncomment settings.logger = Amber::Environment::Logger.new(File.open("blog.log", "w”))
class BasicAuth
include HTTP::Handler
BASIC = "Basic"
AUTH = "Authorization"
AUTH_MESSAGE = "Could not verify your access level for that URL.\nYou have to login with proper credentials"
HEADER_LOGIN_REQUIRED = "Basic realm=\"Login Required\""
property username : String
property password : String
def initialize(@username, @password)
end
def call(context)
if context.request.headers[AUTH]?
if value = context.request.headers[AUTH]
if value.size > 0 && value.starts_with?(BASIC)
return call_next(context) if authorized?(value)
end
end
end
headers = HTTP::Headers.new
context.response.status_code = 401
context.response.headers["WWW-Authenticate"] = HEADER_LOGIN_REQUIRED
context.response.print AUTH_MESSAGE
""
end
private def authorized?(value)
username, password = Base64.decode_string(value[BASIC.size + 1..-1]).split(":")
@username == username && @password == password
endend
