feat: add 7.x source code

test/Dockerfile

@@ -0,0 +1,45 @@
+ARG GOLANG_VERSION
+ARG DOCKER_REGISTRY
+ARG GOTENBERG_VERSION
+ARG GOLANGCI_LINT_VERSION
+
+FROM golang:$GOLANG_VERSION-stretch as golang
+
+# We're extending the Gotenberg's Docker image because our code relies on external
+# dependencies like Google Chrome, LibreOffice, etc.
+FROM $DOCKER_REGISTRY/gotenberg:$GOTENBERG_VERSION
+
+USER root
+
+COPY --from=golang /usr/local/go /usr/local/go
+COPY ./test/docker-entrypoint.sh /usr/bin/docker-entrypoint.sh
+COPY ./test/golint.sh /usr/bin/golint
+COPY ./test/gotest.sh /usr/bin/gotest
+COPY ./test/gotodos.sh /usr/bin/gotodos
+
+ENV GOPATH /go
+ENV PATH $GOPATH/bin:/usr/local/go/bin:$PATH
+ENV CGO_ENABLED 1
+
+RUN apt-get update -qq &&\
+    apt-get install -y -qq --no-install-recommends  \
+    sudo \
+    # gcc for cgo.
+    g++ \
+    gcc \
+    libc6-dev \
+    make \
+    pkg-config &&\
+    rm -rf /var/lib/apt/lists/* &&\
+    mkdir -p "$GOPATH/src" "$GOPATH/bin" &&\
+    chmod -R 777 "$GOPATH" &&\
+    adduser gotenberg sudo &&\
+    echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers &&\
+    # We cannot use $PATH in the next command (print $PATH instead of the environment variable value).
+    sed -i 's#/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin#/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/go/bin:/usr/local/go/bin#g' /etc/sudoers &&\
+    curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin $GOLANGCI_LINT_VERSION
+
+# Pristine working directory.
+WORKDIR /tests
+
+ENTRYPOINT [ "docker-entrypoint.sh" ]