Adicionando o driver do SQLServer dentro do docker

Colocar no Dockerfile, se não der certo, executar cada comando separado:

ENV ACCEPT_EULA=Y
RUN apt-get update && apt-get install -y gnupg2
RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
RUN curl https://packages.microsoft.com/config/ubuntu/20.04/prod.list > /etc/apt/sources.list.d/mssql-release.list
RUN apt-get update
RUN ACCEPT_EULA=Y apt-get -y --no-install-recommends install msodbcsql17 unixodbc-dev
RUN pecl install sqlsrv
RUN pecl install pdo_sqlsrv
RUN docker-php-ext-enable sqlsrv pdo_sqlsrv
#changes your SECLEVEL to 1, if you have it in your /etc/ssl/openssl.cnf file
RUN sed -i -E 's/(CipherString\s*=\s*DEFAULT@SECLEVEL=)2/\11/' /etc/ssl/openssl.cnf