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- # setup build arguments for version of dependencies to use
- ARG DOCKER_GEN_VERSION=0.7.6
- ARG FOREGO_VERSION=0.16.1
- # Use a specific version of golang to build both binaries
- FROM golang:1.15.10-alpine as gobuilder
- RUN apk add --no-cache git
- # Build docker-gen from scratch
- FROM gobuilder as dockergen
- ARG DOCKER_GEN_VERSION
- RUN git clone https://github.com/jwilder/docker-gen \
- && cd /go/docker-gen \
- && git -c advice.detachedHead=false checkout $DOCKER_GEN_VERSION \
- && go mod download \
- && CGO_ENABLED=0 go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" ./cmd/docker-gen \
- && go clean -cache \
- && mv docker-gen /usr/local/bin/ \
- && cd - \
- && rm -rf /go/docker-gen
- # Build forego from scratch
- FROM gobuilder as forego
- # Download the sources for the given version
- ARG FOREGO_VERSION
- ADD https://github.com/jwilder/forego/archive/v${FOREGO_VERSION}.tar.gz sources.tar.gz
- # Move the sources into the right directory
- RUN tar -xzf sources.tar.gz && \
- mkdir -p /go/src/github.com/ddollar/ && \
- mv forego-* /go/src/github.com/ddollar/forego
- # Install the dependencies and make the forego executable
- WORKDIR /go/src/github.com/ddollar/forego/
- RUN go get -v ./... && \
- CGO_ENABLED=0 GOOS=linux go build -o forego .
- # Build the final image
- FROM nginx:1.19.10-alpine
- LABEL maintainer="Nicolas Duchon <nicolas.duchon@gmail.com> (@buchdag)"
- # Install wget and install/updates certificates
- RUN apk add --no-cache --virtual .run-deps \
- ca-certificates bash wget openssl \
- && update-ca-certificates
- # Configure Nginx and apply fix for very long server names
- RUN echo "daemon off;" >> /etc/nginx/nginx.conf \
- && sed -i 's/worker_processes 1/worker_processes auto/' /etc/nginx/nginx.conf \
- && sed -i 's/worker_connections 1024/worker_connections 10240/' /etc/nginx/nginx.conf
- # Install Forego + docker-gen
- COPY --from=forego /go/src/github.com/ddollar/forego/forego /usr/local/bin/forego
- COPY --from=dockergen /usr/local/bin/docker-gen /usr/local/bin/docker-gen
- # Add DOCKER_GEN_VERSION environment variable
- # Because some external projects rely on it
- ARG DOCKER_GEN_VERSION
- ENV DOCKER_GEN_VERSION=${DOCKER_GEN_VERSION}
- COPY network_internal.conf /etc/nginx/
- COPY . /app/
- WORKDIR /app/
- ENV DOCKER_HOST unix:///tmp/docker.sock
- VOLUME ["/etc/nginx/certs", "/etc/nginx/dhparam"]
- ENTRYPOINT ["/app/docker-entrypoint.sh"]
- CMD ["forego", "start", "-r"]
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