Dockerfile

FROM mcr.microsoft.com/powershell:6.1.3-alpine-3.8

# Disable telemetry for powershell 7.0.0 and above and .NET core: https://github.com/PowerShell/PowerShell/issues/16234#issuecomment-942139350
ENV POWERSHELL_CLI_TELEMETRY_OPTOUT=1
ENV POWERSHELL_TELEMETRY_OPTOUT=1
ENV POWERSHELL_UPDATECHECK=Off
ENV POWERSHELL_UPDATECHECK_OPTOUT=1
ENV DOTNET_CLI_TELEMETRY_OPTOUT=1
ENV DOTNET_TELEMETRY_OPTOUT=1
ENV COMPlus_EnableDiagnostics=0

# Install Pester
RUN pwsh -c 'Install-Module Pester -Scope AllUsers -MinimumVersion 4.0.0 -MaximumVersion 4.10.1 -Force -ErrorAction Stop -Verbose'

RUN apk add --no-cache git

RUN set -eux; \
    wget -qO- https://github.com/mozilla/sops/releases/download/v3.7.3/sops-v3.7.3.linux > /usr/local/bin/sops; \
    chmod +x /usr/local/bin/sops; \
    sha256sum /usr/local/bin/sops | grep '^53aec65e45f62a769ff24b7e5384f0c82d62668dd96ed56685f649da114b4dbb '; \
    sops --version

RUN apk add --no-cache gnupg

COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x docker-entrypoint.sh

ENTRYPOINT [ "/docker-entrypoint.sh" ]